| Museum | Location | County |
| 4-H Schoolhouse Museum | Clarion | Wright |
| Abbe Creek School | Cedar Rapids | Linn |
| Abbie Gardner Sharp Cabin | Arnolds Park | Dickinson |
| Ackley Heritage Center | Ackley | Hardin |
| Adair County Heritage Museum | Greenfield | Adair |
| Adams County House of History | Corning | Adams |
| African American Museum of Iowa | Cedar Rapids | Linn |
| Airpower Museum | Ottumwa | Wapello |
| Albert City Historical Museum | Albert City | Buena Vista |
| Allamakee County Historical Museum | Waukon | Allamakee |
| Allee Mansion | Newell | Buena Vista |
| Alton Public Library & Historical Museum | Alton | Sioux |
| Altoona Area Historical Society Museum | Altoona | Polk |
| Amana Community Church | Homestead | Iowa |
| Amana Heritage Museum | Amana | Iowa |
| American Gothic House | Eldon | Wapello |
| Ames History Center | Ames | Story |
| Anamosa State Penitentiary Museum | Anamosa | Jones |
| Andy Williams Birthplace Home | Wall Lake | Sac |
| Ankeny Art Center | Ankeny | Polk |
| Ankeny Area Historical Society Museums | Ankeny | Polk |
| Antique Car Museum of Iowa | Coralville | Johnson |
| Antique Tractor Showcase | Carlisle | Warren |
| Appanoose County Historical & Coal Mining Museum | Centerville | Appanoose |
| Armstrong Heritage Museum | Armstrong | Emmet |
| Armstrong House | Britt | Hancock |
| Arts on Grand | Spencer | Clay |
| Audubon County Historical Society Museum | Exira | Audubon |
| Audubon Public Library & Cultural Center | Audubon | Audubon |
| Bedstemor's House | Elk Horn | Shelby |
| Behrens-Rapp Service Station Museum and Tourist Center | Cedar Falls | Black Hawk |
| Belinda Toy And Antique Museum | Chariton | Lucas |
| Belle Plaine Area Museum | Belle Plaine | Benton |
| Belmond Museum | Belmond | Wright |
| Bennett School | West Des Moines | Polk |
| Big Creek Historical Society Museum | Polk City | Polk |
| Bily Clocks Museum & Antonín Dvořák Exhibit | Spillville | Winneshiek |
| B.J. Palmer Mansion | Davenport | Scott |
| Blakesburg Community Museum | Blakesburg | Wapello |
| Blanden Memorial Art Museum | Fort Dodge | Webster |
| Blue Bunny Ice Cream Parlor and Museum | Le Mars | Plymouth |
| Bob Feller Museum | Van Meter | Dallas |
| Boone and Scenic Valley Railroad | Boone | Boone |
| Boone County Historical Center | Boone | Boone |
| Bremer County Historical Society Museum | Waverly | Bremer |
| Brucemore | Cedar Rapids | Linn |
| Brunnier Art Museum | Ames | Story |
| Buena Vista County Historical Society Museum | Storm Lake | Buena Vista |
| Buffalo Bill Cody Homestead | McCausland | Scott |
| Buffalo Bill Museum | Le Claire | Scott |
| Burlington Northern Depot & WWII Memorial Museum | Red Oak | Montgomery |
| Butler County Museum | Allison | Butler |
| Calhoun County Museum | Rockwell City | Calhoun |
| Calkins Square | Wyoming | Jones |
| Calliope Village | Hawarden | Sioux |
| Camanche Depot | Camanche | Clinton |
| Camanche Historical Museum | Camanche | Clinton |
| Camp Algona POW Museum | Algona | Kossuth |
| Cannonball 457 | Mason City | Cerro Gordo |
| Carlisle Area Historical Society Museum | Carlisle | Warren |
| Carnegie Cultural Center | New Hampton | Chickasaw |
| Carrie Chapman Catt Girlhood Home | Charles City | Floyd |
| Carnegie Historical Museum | Fairfield | Jefferson |
| Carroll County Historical Museum | Carroll | Carroll |
| Carstens 1880 Farmstead | Shelby | Pottawattamie |
| Carter House Museum | Elkader | Clayton |
| Cass County Historical Museum | Griswold | Cass |
| Catholic Historical Center at St. Boniface | Clinton | Clinton |
| Cedar Rapids Museum of Art | Cedar Rapids | Linn |
| Cedar County Historical Society Museum | Tipton | Cedar |
| Cedar Rock State Park | Quasqueton | Buchanan |
| Central Community Historical Society Museum | DeWitt | Clinton |
| Christian Petersen Art Museum | Ames | Story |
| Clarinda Carnegie Art Museum | Clarinda | Page |
| Clark Museum Of Area History/ Clark's Antique Acres | Milford | Dickinson |
| Clarke County Historical Museum | Osceola | Clarke |
| Clay County Heritage Center | Spencer | Clay |
| Clear Lake Arts Center | Clear Lake | Cerro Gordo |
| Clermont Historical Society Museum | Clermont | Fayette |
| Clinton County Historical Museum | Clinton | Clinton |
| Columbus Community Heritage Center | Columbus Junction | Louisa |
| Communal Agriculture Museum | South Amana | Iowa |
| Communal Kitchen & Cooper Shop Museum | Middle Amana | Iowa |
| Conrad Heritage Hall and Museum | Conrad | Grundy |
| Correctionville Museum | Correctionville | Woodbury |
| Country Life Center | Orient | Adair |
| Country School Museum | Lake Mills | Winnebago |
| Curtis Mansion | Clinton | Clinton |
| Dairy Center | Calmar | Winneshiek |
| Danish Windmill Museum | Elk Horn | Shelby |
| Davis County Historical Society Museum | Bloomfield | Davis |
| DeBoer Grocery Museum and Little House Museum | Ashton | Osceola |
| Delaware County Historical Museum Complex | Hopkinton | Delaware |
| Depot and Rail Museum | Vinton | Benton |
| Des Moines Art Center | Des Moines | Polk |
| Des Moines County Heritage Center Museum | Burlington | Des Moines |
| Dexter Historical Museum | Dexter | Dallas |
| Dickinson County Museum | Spirit Lake | Dickinson |
| Donna Reed Heritage Museum | Denison | Crawford |
| Dorothy Pecaut Nature Center | Sioux City | Woodbury |
| Dover Museum | New London | Henry |
| Dow House | Dow City | Crawford |
| Dubuque Museum of Art | Dubuque | Dubuque |
| Dumont Museum | Sigourney | Keokuk |
| Dysart Historical Center | Dysart | Tama |
| Eagle Grove Historical Museum | Eagle Grove | Wright |
| Eddyville Historical Museum | Eddyville | Wapello |
| Edinburgh Pioneer Village | Scotch Grove | Jones |
| Effigy Mounds National Monument | Harpers Ferry | Allamakee |
| Eldon Depot Museum | Eldon | Wapello |
| Ellston Pioneer Museum | Ellston | Ringgold |
| Emmet County Historical Society Museum | Estherville | Emmet |
| Family Museum | Bettendorf | Scott |
| Farmall-Land U.S.A. | Avoca | Pottawatomie |
| Farnham Galleries | Indianola | Warren |
| Farm House Museum | Ames | Story |
| Faulconer Gallery | Grinnell | Poweshiek |
| Felix Adler Children's Discovery Center | Clinton | Clinton |
| FFA Historical and Ag Museum | La Porte City | Black Hawk |
| Figge Art Museum | Davenport | Scott |
| Floyd County Historical Museum | Charles City | Floyd |
| Fonda Museum | Fonda | Pocahontas |
| Forest Park Museum and Arboretum | Perry | Dallas |
| Fort Atkinson State Preserve | Decorah | Winneshiek |
| Fort Des Moines Museum and Education Center | Des Moines | Polk |
| Fort Museum | Fort Dodge | Webster |
| Fossil & Prairie Center | Rockford | Floyd |
| Franklin County Historical Museum | Hampton | Franklin |
| Franklin Pearson House | Keosauqua | Van Buren |
| French Icarian Colony Living History Museum | Corning | Adams |
| Froelich Village | McGregor | Clayton |
| Garnavillo Historical Museum | Garnavillo | Clayton |
| George Maier Rural Heritage Center | Elkader | Clayton |
| George M. Verity River Museum | Keokuk | Lee |
| German American Heritage Center | Davenport | Scott |
| Gilbertson Conservation Education Area | Elgin | Fayette |
| Glenn Miller Birthplace Museum | Clarinda | Page |
| Glick-Sower House | Marshalltown | Marshall |
| Graceland University Galleries | Lamoni | Decatur |
| Grafton Heritage Depot | Grafton | Worth |
| Granger House Museum | Marion | Linn |
| Grant Wood Art Gallery | Anamosa | Jones |
| Greater Shenandoah Historical Society Museum | Shenandoah | Page |
| Greene County Historical Museum | Jefferson | Greene |
| Greene Historical Museum | Greene | Butler |
| Grout Museum | Waterloo | Black Hawk |
| Grinnell Historical Museum | Grinnell | Poweshiek |
| Grotto of the Redemption | West Bend | Palo Alto |
| Grundy County Heritage Museum | Morrison | Grundy |
| Guthrie County Historical Village | Panora | Guthrie |
| Hanlontown Community Bank Museum | Hanlontown | Worth |
| Hardin County Farm Museum | Eldora | Hardin |
| Harker House | Storm Lake | Buena Vista |
| Harlan-Lincoln House | Mount Pleasant | Henry |
| Harriman Nielsen Farm | Hampton | Franklin |
| Harrison County Historical Village | Missouri Valley | Harrison |
| Hearst Center for the Arts | Cedar Falls | Black Hawk |
| Heartland Acres Agribition Center | Independence | Buchanann |
| Heartland Museum | Clarion | Wright |
| Hemken Collection | Williams | Hamilton |
| Herbert Hoover National Historic Site | West Branch | Cedar |
| Heritage Park Museum | Primghar | O'Brien |
| Higgins Museum of National Bank Notes | Okoboji | Dickinson |
| Historic General Dodge House | Council Bluffs | Pottawatamie |
| History Center | Cedar Rapids | Linn |
| History on the Hill | Winterset | Madison |
| Hitchcock House | Lewis | Cass |
| Hockett House Museum | Earlham | Madison |
| Hoggatt School | Ames | Story |
| Homestead Blacksmith Shop | Homestead | Iowa |
| Homestead Store Museum | Homestead | Iowa |
| Horridge House | Vinton | Benton |
| Hotel Williams Museum | Wyoming | Jones |
| Howard County Historical Preservation & Education Center | Cresco | Howard |
| Hub City Heritage Corporation Railway Museum | Oelwein | Fayette |
| Humboldt County Mill Farm Historical Museum | Dakota City | Humboldt |
| Ice House Museum | Cedar Falls | Black Hawk |
| Independence State Hospital | Independence | Buchanan |
| Indian Creek Historical Museum | Emerson | Mills |
| International Fire Museum | Davenport | Scott |
| Iowa 80 Trucking Museum | Walcott | Scott |
| Iowa Aviation Museum | Greenfield | Adair |
| Iowa Children's Museum | Coralville | Johnson |
| Iowa Civilian Conservation Corps Museum | Strawberry Point | Delaware |
| Iowa Gold Star Military Museum | Johnston | Polk |
| Iowa Great Lakes Maritime Museum | Arnolds Park | Dickinson |
| Iowa Masonic Library and Museum | Cedar Rapids | Linn |
| Iowa Rock 'n Roll Music Museum | Arnolds Park | Dickinson |
| Iowa Rural Schools Museum | Odebolt | Sac |
| Iowa State Capitol | Des Moines | Polk |
| Iowa Transportation Museum | Grinnell | Poweshiek |
| Jackson County Museum | Maquoketa | Jackson |
| Jasper County Historical Museum | Newton | Jasper |
| Jefferson Telephone Museum | Jefferson | Greene |
| Jenison-Meacham Memorial Art Museum | Belmond | Wright |
| John L. Lewis Memorial Museum of Mining and Labor | Lucas | Lucas |
| Johnny Carson Birthplace | Corning | Adams |
| Johnny Clock Museum | Lockridge | Jefferson |
| Johnson County Historical Society Museum | Coralville | Johnson |
| John Wayne Birthplace Museum | Winterset | Madison |
| Jordan House | West Des Moines | Polk |
| Kalona Historical Village | Kalona | Washington |
| Kalona Quilt & Textile Museum | Kalona | Washington |
| Kate Shelley Depot | Moingona | Boone |
| Kellogg Historical Museum | Kellogg | Jasper |
| Kellow House | Cresco | Howard |
| Kensett Community Church Museum | Kensett | Worth |
| Kinney Pioneer Museum | Mason City | Cerro Gordo |
| Kiwanis Railroad Depot Museum Complex | Onawa | Monona |
| Kline Museum | Prescott | Adams |
| Lake View Historical Museum | Lake View | Sac |
| Laura Ingalls Wilder Park and Museum | Burr Oak | Winneshiek |
| Lewelling Quaker Museum | Salem | Henry |
| Liberty Hall | Lamoni | Decatur |
| Lidtke Mill | Lime Springs | Howard |
| Little Red School House | Cedar Falls | Black Hawk |
| Living History Farms Museum | Urbandale | Polk |
| Lockmaster's Heritage House Museum | Guttenberg | Clayton |
| Locust School | Decorah | Winneshiek |
| Louisa County Heritage Center | Wapello | Louisa |
| Lucas County Historical Museum | Chariton | Lucas |
| Lyon County Historical Society Museum Complex | Rock Rapids | Lyon |
| Maasdam Barns | Fairfield | Jefferson |
| MacNider Art Museum | Mason City | Cerro Gordo |
| Madrid Historical Museum | Madrid | Boone |
| Mamie Eisenhower Birthplace | Boone | Boone |
| Marble Rock Museum | Marble Rock | Floyd |
| Marion County Historical Village & Museum | Knoxville | Marion |
| Marion Heritage Center & Museum | Marion | Linn |
| Marquette Depot Museum | Marquette | Clayton |
| Marshall Center School | Cedar Falls | Black Hawk |
| Marshall County Historical Museum | Marshalltown | Marshall |
| Matchstick Marvels | Gladbrook | Tama |
| Mathias Ham House | Dubuque | Dubuque |
| Matthew Edel Blacksmith Shop | Haverhill | Marshall |
| McCallum Museum | Sibley | Osceola |
| McGregor Historical Museum | McGregor | Clayton |
| McHenry House | Denison | Crawford |
| Melcher-Dallas Coal Mining and Heritage Museum | Melcher-Dallas | Marion |
| Meskwaki Cultural Center and Museum | Tama | Tama |
| Mid America Museum of Aviation & Transportation | Sioux City | Woodbury |
| Midwest Old Threshers Heritage Museums | Mount Pleasant | Henry |
| Midwest Central Railroad | Mount Pleasant | Henry |
| Mills County Historical Museum | Glenwood | Mills |
| Mitchell County Historical Museum | Osage | Mitchell |
| Monona County Historical Museum | Onawa | Monona |
| Monona County Veteran's Memorial Museum | Onawa | Monona |
| Monona Historical Museum | Monona | Clayton |
| Monroe County Historical Museum | Albia | Monroe |
| Montauk Mansion | Clermont | Fayette |
| Montgomery County History Center | Red Oak | Montgomery |
| Moorehead House Museum | Ida Grove | Ida |
| Moorehead Stagecoach Inn | Ida Grove | Ida |
| Moulton Historical Society | Moulton | Appanoose |
| Mount Ayr Depot Museum | Mount Ayr | Ringgold |
| Muscatine Art Center | Muscatine | Muscatine |
| Muscatine History and Industry Center | Muscatine | Muscatine |
| Museum of Danish America | Elk Horn | Shelby |
| Music Man Square | Mason City | Cerro Gordo |
| Nathaniel Hamlin Park and Museum | Audubon | Audubon |
| National Balloon Museum and Ballooning Hall of Fame | Indianola | Warren |
| National Czech & Slovak Museum & Library | Cedar Rapids | Linn |
| National Farm Toy Museum | Dyersville | Dubuque |
| National Hobo Museum | Britt | Hancock |
| National Mississippi River Museum & Aquarium | Dubuque | Dubuque |
| National Motorcycle Museum | Anamosa | Jones |
| National Sprint Car Hall of Fame & Museum | Knoxville | Marion |
| National Wrestling Hall of Fame Dan Gable Museum | Waterloo | Black Hawk |
| Nelson Pioneer Farm Museum | Oskaloosa | Mahaska |
| Nishna Heritage Museum | Oakland | Pottawatamie |
| Nodaway Valley Historical Museum | Clarinda | Page |
| North Lee County Historical Museum | Fort Madison | Lee |
| Octagon Center for the Arts | Ames | Story |
| Odebolt Historical Museum | Odebolt | Sac |
| Okoboji Classic Cars | Okoboji | Dickinson |
| Old Bradford Pioneer Village Museum | Nashua | Chickasaw |
| Old Capitol Museum | Iowa City | Johnson |
| Old Creamery Museum | Northwood | Worth |
| Old Fort Madison | Fort Madison | Lee |
| Old Jail Museum | Dubuque | Dubuque |
| Old Schoolhouse Museum | Earlham | Madison |
| Old Stone House | Hampton | Franklin |
| Oxford Junction Heritage Museum | Oxford Junction | Jones |
| Palmer Museum of Chiropractic History | Davenport | Scott |
| Palo Alto County Historical Museum | Emmetsburg | Palo Alto |
| Parker Museum | Spencer | Clay |
| Pat Clark Art Collection | Iowa Falls | Hardin |
| Pearson Lakes Art Center | Okoboji | Dickinson |
| Peirce Mansion | Sioux City | Woodbury |
| Pella Historical Village | Pella | Marion |
| Peterson Pioneer Home | Odebolt | Sac |
| Peterson Point Historical Farmstead | Wallingford | Emmet |
| Pharmacists Mutual Companies Museum | Algona | Kossuth |
| Pine Creek Gristmill | Muscatine | Muscatine |
| Pixley Log House | Northwood | Worth |
| Plum Grove Historic House | Iowa City | Johnson |
| Plymouth County Historical Museum | Le Mars | Plymoth |
| Pocahontas County Historical Museum | Rockwell City | Pocahontas |
| Porter House Museum | Decorah | Winneshiek |
| Prairie Learning Center | Prairie City | Jasper |
| Prairie Trails Museum | Corydon | Wayne |
| Putnam Museum | Davenport | Scott |
| Quasdorf Blacksmith and Wagon Museum | Dows | Wright |
| Quasqueton Area Historical Society Museum | Quasqueton | Buchanan |
| RailsWest Railroad Museum | Council Bluffs | Pottawatamie |
| Ray House | Vinton | Benton |
| REA Power Plant Museum | Hampton | Franklin |
| Richardson-Jakway House | Aurora | Buchanan |
| River History Museum | Lansing | Allamakee |
| River Music Experience | Davenport | Scott |
| Rock Island Depot Museum | Clarion | Wright |
| Roland Museum | Roland | Story |
| Rural Free Delivery Museum | Morning Sun | Louisa |
| Russell Historical Society Museum | Russell | Lucas |
| Sac City Museum Village | Sac City | Sac |
| Salisbury House | Des Moines | Polk |
| Samuel F. Miller House and Museum | Keokuk | Lee |
| Sanford Museum & Planetarium | Cherokee | Cherokee |
| The Sawmill Museum | Clinton | Clinton |
| Schildberg Antique Car Museum | Greenfield | Adair |
| Scholte House Museum | Pella | Marion |
| Science Center of Iowa | Des Moines | Polk |
| Sergeant Floyd River Museum and Welcome Center | Sioux City | Woodbury |
| Shelby County Historical Museum | Harlan | Shelby |
| Sheldon Prairie Museum | Sheldon | O'Brien |
| Shell Rock Historical Museum | Shell Rock | Butler |
| Sioux City Art Center | Sioux City | Woodbury |
| Sioux City Lewis & Clark Interpretive Center | Sioux City | Woodbury |
| Sioux City Public Museum | Sioux City | Woodbury |
| Sioux City Railroad Museum | Sioux City | Woodbury |
| Squirrel Cage Jail | Council Bluffs | Pottawatamie |
| St. Ansgar Heritage Museum | St. Ansgar | Mitchell |
| State Historical Museum of Iowa | Des Moines | Polk |
| Stockman House | Mason City | Cerro Gordo |
| Story City Museum | Story City | Story |
| Swedish American Museum | Swedesburg | Henry |
| Swensrud School | Northwood | Worth |
| Tama County Museum | Tama | Tama |
| Taylor County Historical Museum | Bedford | Taylor |
| Taylor#4 School | Marshalltown | Marshall |
| Terrace Hill | Des Moines | Polk |
| Theatre Museum of Repertoire Americana | Mount Pleasant | Henry |
| Todd House | Tabor | Fremont |
| Toolesboro Indian Mounds | Toolesboro | Louisa |
| Traer Historical Museum | Traer | Tama |
| Trainland U.S.A. | Colfax | Jasper |
| Twombly Museum | Keosauqua | Van Buren |
| Union County Historical Village | Creston | Union |
| Union Pacific Railroad Museum | Council Bluffs | Pottawatamie |
| University of Iowa Athletics Hall of Fame | Iowa City | Johnson |
| University of Iowa Medical Museum | Iowa City | Johnson |
| University of Iowa Museum of Art | Iowa City | Johnson |
| University of Iowa Museum of Natural History | Iowa City | Johnson |
| University of Northern Iowa Gallery of Art | Cedar Falls | Black Hawk |
| University of Northern Iowa Museum | Cedar Falls | Black Hawk |
| Ushers Ferry Historic Village | Cedar Rapids | Linn |
| Van Buren Historical Society Museum | Keosauqua | Van Buren |
| Vander Haag's Yesterday's Memories | Sanborn | O'Brien |
| Vermeer Museum | Pella | Marion |
| Vernon Schoolhouse #5 | Dows | Wright |
| Vesterheim Norwegian-American Museum | Decorah | Winneshiek |
| Victorian Home and Carriage House Museum | Cedar Falls | Black Hawk |
| Victorian Museum on Main | Emmetsburg | Palo Alto |
| Villisca Axe Murder House | Villisca | Montgomery |
| Voas Nature Area & Museum | Minburn | Dallas |
| Wabash Depot Museum | Moravia | Appanoose |
| Wagaman Mill | Lynnville | Jasper |
| Waldemar A. Schmidt Art Gallery | Waverly | Bremer |
| Wallace House Museum | Des Moines | Polk |
| Walnut Grove Pioneer Village | Long Grove | Scott |
| Wapello County Historical Museum | Ottumwa | Wapello |
| Wapsipinicon Mill | Independence | Buchanan |
| Waterloo Center for the Arts | Waterloo | Black Hawk |
| Watson's Grocery Store Museum | State Center | Marshall |
| Wayland & Midwest Memories Museums | Wayland | Henry |
| West Bend Historical Museum | West Bend | Palo Alto |
| Western Historic Trails Center | Council Bluffs | Pottawatamie |
| Westport Rural School Museum | Okoboji | Dickinson |
| Wilder Memorial Museum | Strawberry Point | Delaware |
| Winfield Historical Society Museum | Winfield | Henry |
| Wisecup's Farm Museum | Missouri Valley | Harrison |
| Witter Gallery | Storm Lake | Buena Vista |
| Worth County Machinery Museum | Northwood | Worth |
| Worth County Museum | Northwoo | Worth |
| Young House Museum | Bellevue | Jackson |