| Museum | Location | County |
|---|
| Aberdeen Room Archives & Museum | Aberdeen | Harford |
| Academy Art Museum | Easton | Talbot |
| Adkins Historical Museum | Mardela Springs | Wicomico |
| African American Heritage House | La Plata | Charles |
| African American Schoolhouse Museum | Worton | Kent |
| African Art Museum of Maryland | Columbia | Howard |
| Agricultural History Farm Park | Derwood | Montgomery |
| Airmen Memorial Museum | Suitland | Prince George's |
| Albin O. Kuhn Library & Gallery | Catonsville | Baltimore |
| Allegany Museum | Cumberland | Allegany |
| American Red Cross Information & History Center | Walkersville | Frederick |
| Annapolis Maritime Museum | Annapolis | Anne Arundel |
| Anne Arundel County Free School | Davidsonville | Anne Arundel |
| Annmarie Garden | Solomons | Calvert |
| Antietam National Battlefield | Sharpsburg | Washington |
| Art Gallery at the University of Maryland | College Park | Prince George's |
| Art Institute & Gallery | Salisbury | Wicomico |
| B&O Railroad Museum: Ellicott City Station | Ellicott City | Howard |
| Bainbridge Naval Training Center Museum | Port Deposit | Cecil |
| Ballestone-Stansbury House | Essex | Baltimore |
| Banneker-Douglass Museum | Annapolis | Anne Arundel |
| Barbara Fritchie House and Museum | Frederick | Frederick |
| Barren Creek Springs Heritage Center and Museum | Mardela Springs | Wicomico |
| Barron's C & O Canal Museum & Country Store | Sharpsburg | Washington |
| Beall-Dawson House | Rockville | Montgomery |
| Beatty-Cramer House | Frederick | Frederick |
| Beaver Creek School Museum | Hagerstown | Washington |
| Belair Mansion | Bowie | Prince George's |
| Belair Stable Museum | Bowie | Prince George's |
| Belmont Manor and Historic Park | Elkridge | Howard |
| Benjamin Banneker Historical Park and Museum | Catonsville | Baltimore |
| Benson-Hammond House | Linthicum | Anne Arundel |
| Betterton Heritage Museum | Betterton | Kent |
| Billingsley House Museum | Upper Marlboro | Prince George's |
| Bjorlee Museum | Frederic | Frederick |
| Blackwater National Wildlife Refuge | Cambridge | Dorchester |
| Bob's Vintage Museum | Columbia | Howard |
| Boonsborough Museum of History | Boonsboro | Washington |
| Boonsboro Trolley Museum | Boonsboro | Washington |
| Bowman House | Boonsboro | Washington |
| Boyds Negro School | Sandy Spring | Montgomery |
| Brooke Whiting House & Museum | Cumberland | Allegany |
| Bruce "Snake" Gabrielson's Surf Art Gallery and Museum | Chesapeake Beach | Calvert |
| Brunswick Heritage Museum | Brunswick | Frederick |
| Button Farm Living History Center | Germantown | Montgomery |
| C&D Canal Museum | Chesapeake City | Cecil |
| Calvert Marine Museum | Solomons | Calvert |
| Calvin B. Taylor House | Berlin | Worcester |
| Canal Place | Cumberland | Allegany |
| Captain Salem Avery House Museum | Shady Side | Anne Arundel |
| Carroll County Farm Museum | Westminster | Carroll |
| Cecil County Farm Museum | Elkton | Cecil |
| Center for Art, Design and Visual Culture | Catonsville | Baltimore |
| Charles Carroll House of Annapolis | Annapolis | Anne Arundel |
| Chesapeake and Ohio Canal National Historical Park | Various | |
| Chesapeake Bay Maritime Museum | St. Michaels | Talbot |
| Chesapeake Beach Railway Museum | Chesapeake Beach | Calvert |
| Chesapeake Children's Museum | Annapolis | Anne Arundel |
| Chesapeake Fire Museum | Hebron | Wicomico |
| Chestertown RiverArts | Chestertown | Kent |
| Choptank River Heritage Center | Denton | Caroline |
| Choptank River Light | Cambridge | Dorchester |
| Clara Barton National Historic Site | Glen Echo | Montgomery |
| Cliffs Schoolhouse | Cliff City | Kent |
| College Park Aviation Museum | College Park | Prince George's |
| Concord Point Lighthouse | Havre de Grace | Harford |
| Costen House | Pocomoke City | Worcester |
| Country Store & Drug Store Museum | Mt. Airy | Carroll |
| Cove Point Light | Lusby | Calvert |
| Cray House | Stevensville | Queen Anne's |
| Darnall's Chance House Museum | Upper Marlboro | Prince George's |
| Deep Creek Lake Discovery Center | Swanton | Garrett |
| Delaplaine Visual Arts Education Center | Frederick | Frederick |
| Dickinson Gorsuch Farm Museum | Cockeysville | Baltimore |
| Discovery Station | Hagerstown | Washington |
| Doleman Black Heritage Museum | Hagerstown | Washington |
| Dr. Samuel A. Mudd House | Waldorf | Charles |
| Dundalk-Patapsco Neck Historical Society Museum | Dundalk | Baltimore |
| Eden Mill Nature Center & Historic Mill Museum | Pylesville | Harford |
| Ellicott City Colored School | Ellicott City | Howard |
| Ellicott City Fire Station | Ellicott City | Howard |
| Family Heritage Museum | Friendsville | Garrett |
| Federalsburg Area Heritage Museum | Federalsburg | Caroline |
| Fire Museum of Maryland | Lutherville | Baltimore |
| Fort Frederick State Park | Big Pool | Washington |
| Fort George G. Meade Museum | Fort Meade | Anne Arundel |
| Fort Washington Park | Fort Washington | Prince George's |
| Frederick County Fire & Rescue Museum | Emmitsburg | Frederick |
| Frostburg Museum | Frostburg | Allegany |
| Furnace Town Living Heritage Museum | Snow Hill | Worcester |
| Gaithersburg Community Museum | Gaithersburg | Montgomery |
| Gaithersburg - Washington Grove V.F.D. Fire Museum | Gaithersburg | Montgomery |
| Galesville Heritage Museum | Galesville | Anne Arundel |
| Garrett County Historical Society Museum | Oakland | Garrett |
| Garrett County Transportation Museum | Oakland | Garrett |
| Geddes-Piper House | Chestertown | Kent |
| Geiser-Mason Farm Museum | Smithsburg | Washington |
| George Alfred Townsend Museum | Burkittsville | Frederick |
| Goldman Art Gallery | Rockville | Montgomery |
| Girdletree Barnes Bank | Girdletree | Worcester |
| Glenn L. Martin Maryland Aviation Museum | Middle River | Baltimore |
| Glenview Mansion Art Gallery | Rockville | Montgomery |
| Goddard Visitor Center | Greenbelt | Prince George's |
| Gordon-Roberts House | Cumberland | Allegany |
| Goucher College Art Galleries | Towson | Baltimore |
| Government House | Annapolis | Anne Arundel |
| Grantsville Community Museum | Grantsville | Garrett |
| Greenbelt Museum | Greenbelt | Prince George's |
| Hager House | Hagerstown | Washington |
| Hagerstown Aviation Museum | Hagerstown | Washington |
| Hagerstown Railroad Museum | Hagerstown | Washington |
| Hagerstown Roundhouse Museum | Hagerstown | Washington |
| Hammond-Harwood House | Annapolis | Anne Arundel |
| Hampton National Historic Site | Hampton | Baltimore |
| Hancock's Resolution | Pasadena | Anne Arundel |
| Hancock Museum and Visitor's Center | Hancock | Washington |
| Hancock Town Museum | Hancock | Washington |
| Harriet Tubman Museum & Educational Center | Cambridge | Dorchester |
| Havre de Grace Decoy Museum | Havre de Grace | Harford |
| Havre de Grace Maritime Museum | Havre de Grace | Harford |
| Hays House Museum | Bel Air | Harford |
| Heart of the Civil War Heritage Area Exhibit and Visitor Center | Sharpsburg | Washington |
| Heritage Society of Essex and Middle River | Essex | Baltimore |
| His Lordship's Kindness | Clinton | Prince George's |
| Historic Annapolis Museum | Annapolis | Anne Arundel |
| Historic Port Tobacco Village | Port Tobacco | Charles |
| Historical Society of Baltimore County | Cockeysville | Baltimore |
| Historical Society of Carroll County | Westminster | Carroll |
| Historical Society of Cecil County | Elkton | Cecil |
| Historical Society of Harford County | Bel Air | Harford |
| Historical Society of Talbot County Museum | Easton | Talbot |
| Historic London Town and Gardens | Edgewater | Anne Arundel |
| Historic St. Mary's City | St. Mary's City | St. Mary's |
| Hogshead | Annapolis | Anne Arundel |
| House of Yoder | Grantsville | Garrett |
| Howard County Heritage Orientation Center | Ellicott City | Howard |
| Howard County Historical Society | Ellicott City | Howard |
| Howard County Living Farm Heritage Museum | West Friendship | Howard |
| Huntington Railroad Museum | Bowie | Prince George's |
| Hyattstown Mill | Hyattstown | Montgomery |
| Irish Railroad Workers Museum | Baltimore | Baltimore |
| Irvin Allen/Michael Cresap Museum | Oldtown | Allegany |
| Irvine Nature Center | Owings Mills | Baltimore |
| James E. Kirwan Museum | Stevensville | Queen Anne's |
| Janus Museum | Washington Grove | Montgomery |
| Jefferson Patterson Park & Museum | St. Leonard | Calvert |
| Jerusalem Mill Village | Jerusalem | Harford |
| J. Millard Tawes Historical Museum | Crisfield | Somerset |
| John Poole House | Poolesville | Montgomery |
| Josiah Henson Park | North Bethesda | Montgomery |
| Julia A. Purnell Museum | Snow Hill | Worcester |
| Kennedy Farm | Sharpsburg | Washington |
| Kent Museum | Kennedyville | Kent |
| King Dairy Barn Mooseum | Germantown | Montgomery |
| Kingsley Schoolhouse | Clarksburg | Montgomery |
| Kitzmiller Coal Mining Museum | Kitzmiller | Garrett |
| Ladew Topiary Gardens | Monkton | Harford |
| La Grange Plantation | Cambridge | Dorchester |
| Lamar Surgical Suite and Civil War Museum | Middletown | Frederick |
| La Plata Train Station | La Plata | Charles |
| Latvian Museum | Rockville | Montgomery |
| Laurel Museum | Laurel | Prince George's |
| Mansion House Art Center | Hagerstown | Washington |
| Marietta House Museum | Glenn Dale | Prince George's |
| Marion Station Railroad Museum | Marion | Somerset |
| Maryland Dove | St. Mary's City | St. Mary's |
| Maryland State House | Annapolis | Anne Arundel |
| Maryland Veterans Memorial Museum | Newburg | Charles |
| Massey Air Museum | Massey | Kent |
| McMahon's Mill Civil War Military & American Heritage Museum | Williamsport | Washington |
| Miller House Museum | Hagerstown | Washington |
| Mitchell Gallery | Annapolis | Anne Arundel |
| Monocacy National Battlefield | Frederick | Frederick |
| Montpelier Mansion | Laurel | Prince George's |
| Mount Aventine | Bryans Road | Charles |
| Mount Calvert Historical & Archaeological Park | Upper Marlboro | Prince George's |
| Mount Harmon Plantation | Earleville | Cecil |
| Mount Savage Museum Bank and Jail | Mount Savage | Allegany |
| Mt. Zion One Room School Museum | Snow Hill | Worcester |
| Museum of Frederick County History | Frederick | Frederick |
| Museum of Rural Life | Denton | Caroline |
| Nabb Research Center for Delmarva History and Culture | Salisbury | Wicomico |
| National Capitol Radio & Television Museum | Bowie | Prince George's |
| National Capital Trolley Museum | Colesville | Montgomery |
| National Children's Museum | National Harbor | Prince George's |
| National Colonial Farm | Accokeek | Prince George's |
| National Cryptologic Museum | Fort Meade | Anne Arundel |
| National Electronics Museum | Linthicum | Anne Arundel |
| National Institutes of Health Visitor Center and Nobel Laureate Exhibit Hall | Bethesda | Montgomery |
| National Museum of Civil War Medicine | Frederick | Frederick |
| National Museum of Health and Medicine | Silver Spring | Montgomery |
| National Museum of Language | College Park | Prince George's |
| National Shrine of St. Elizabeth Ann Seton | Emmitsburg | Frederick |
| National Wildlife Visitor Center at Patuxent Research Refuge | Laurel | Prince George's |
| New Windsor Museum | New Windsor | Carroll |
| Northampton Plantation Slave Quarters | Lake Arbor | Prince George's |
| Oakley Cabin African American Museum and Park | Brookeville | Montgomery |
| Ocean City Life-Saving Station Museum | Ocean City | Worcester |
| Old Jail Museum | Leonardtown | St. Mary's |
| Old Stevensville Post Office | Stevensville | Queen Anne's |
| Old Town Hall Bank Museum and Exhibit Hall | Poolesville | Montgomery |
| Original Playhouse Children's Museum | New Market | Frederick |
| Oxford Museum (Maryland) | Oxford | Talbot |
| Oxon Cove Park and Oxon Hill Farm | Oxon Hill | Prince George's |
| Patuxent River Naval Air Museum | Lexington Park | St. Mary's |
| Patuxent Rural Museums | Upper Marlboro | Prince George's |
| Paw Paw Museum | Port Deposit | Cecil |
| Pemberton Hall | Salisbury | Wicomico |
| Perryville Railway Museum | Perryville | Cecil |
| Piney Point Light | Piney Point | St. Mary's |
| Piscataway Indian Museum | Waldorf | Charles |
| Point Lookout Light | Scotland | St. Mary's |
| Point Lookout State Park | Scotland | St. Mary's |
| Poplar Hill Mansion | Salisbury | Wicomico |
| Port Republic School Number 7 | Port Republic | Calvert |
| Queen Anne's Museum of Eastern Shore Life | Centreville | Queen Anne's |
| Queenstown Colonial Courthouse | Queenstown | Queen Anne's |
| Queponco Railway Station | Newark | Worcester |
| Ratner Museum | Bethesda | Montgomery |
| R. Frank Jones Museum | Snow Hill | Worcester |
| Richardson Maritime Museum | Cambridge | Dorchester |
| Ridgeley Rosenwald School | Capitol Heights | Prince George's |
| Ripley's Believe It or Not! Museum | Ocean City | Worcester |
| Riversdale | Riverdale | Prince George's |
| Rock Hall Museum (Rock Hall, Maryland) | Rock Hall | Kent |
| Roger Brooke Taney House | Frederick | Frederick |
| Rose Hill Manor Park & Children's Museum | Frederick | Frederick |
| Salisbury University Art Galleries | Salisbury | Wicomico |
| Sandy Spring Museum | Sandy Spring | Montgomery |
| Sandy Spring Slave Museum & Art Gallery | Sandy Spring | Montgomery |
| Schifferstadt Architectural Museum | Frederick | Frederick |
| Seabrook Schoolhouse | Lanham | Prince George's |
| Seneca Schoolhouse Museum | Seneca | Montgomery |
| Sharptown Historical Museum | Salisbury | Wicomico |
| Silver Spring Historical Society | Silver Spring | Montgomery |
| Smallwood State Park | Marbury | Charles |
| Smithsburg Town Museum | Smithsburg | Washington |
| Sotterley Plantation | Hollywood | St. Mary's |
| South Dorchester Folk Museum | Church Creek | Dorchester |
| South Mountain Heritage Society | Burkittsville | Frederick |
| Spocott Windmill | Cambridge | Dorchester |
| Spruce Forest Artisan Village | Grantsville | Garrett |
| Star Toys Museum | Linthicum | Anne Arundel |
| St. Clement's Island Museum | Colton's Point | St. Mary's |
| Steppingstone Museum | Havre de Grace | Harford |
| Stevensville Train Depot | Stevensville | Queen Anne's |
| St. Martin's Episcopal Church Museum | Showell | Worcester |
| St. Michaels Museum at St. Mary's Square | St. Michaels | Talbot |
| Stonestreet Museum of 19th Century Medicine | Rockville | Montgomery |
| Strawbridge Shrine | New Windsor | Carroll |
| Strathmore | North Bethesda | Montgomery |
| Sturgis One Room School Museum | Pocomoke City | Worcester |
| Sudlersville Train Station Museum | Sudlersville | Queen Anne's |
| Surratt House Museum | Clinton | Prince George's |
| Susquehanna Museum at the Lock House | Havre de Grace | Harford |
| Susquehanna State Park | Havre de Grace | Harford |
| Sykesville Colored Schoolhouse Museum | Sykesville | Carroll |
| Sykesville Gate House Museum of History | Sykesville | Carroll |
| Taylor's Island Museum | Taylors Island | Dorchester |
| Teackle Mansion | Princess Anne | Somerset |
| Thomas Isaac Log Cabin | Ellicott City | Howard |
| Thomas Point Shoal Lighthouse | Annapolis | Anne Arundel |
| Thomas Stone National Historic Site | Port Tobacco | Charles |
| Thrasher Carriage Museum | Frostburg | Allegany |
| Tilghman Watermen's Museum | Tilghman Island | Talbot |
| Tolchester Beach Museum | Tolchester Beach | Kent |
| Tory House/107 House | Charlestown | Cecil |
| Townsend House & Pullen Museum | Catonsville | Baltimore |
| The Train Room and Museum | Hagerstown | Washington |
| Tucker House (Maryland) | Centreville | Queen Anne's |
| Tudor Hall | Leonardtown | St. Mary's |
| Tudor Hall | Bel Air | Harford |
| Turkey Point Light Station | North East | Cecil |
| Union Mills Homestead | Westminster | Carroll |
| Upper Bay Museum | North East | Cecil |
| U.S. Naval Academy Museum | Annapolis | Anne Arundel |
| Vienna Heritage Museum | Vienna | Dorchester |
| Ward Museum of Wildfowl Art | Salisbury | Wicomico |
| Walkersville Southern Railroad Museum | Walkersville | Frederick |
| Washington County Museum of Fine Arts | Hagerstown | Washington |
| Washington County Rural Heritage Museum | Boonsboro | Washington |
| Waterfront Warehouse | Annapolis | Anne Arundel |
| Waterman's Museum | Rock Hall | Kent |
| Western Maryland Railway Station | Cumberland | Allegany |
| Western Maryland Railway Historical Society Museum | Union Bridge | Carroll |
| William F. Moran, Jr. Museum | Middletown | Frederick |
| William Paca House & Garden | Annapolis | Anne Arundel |
| William P. Didusch Center for Urologic History | Linthicum | Anne Arundel |
| Williamsport Town Museum | Williamsport | Washington |
| Woodlawn Manor Museum | Sandy Spring | Montgomery |
| Wright's Chance | Centreville | Queen Anne's |
| Wye Grist Mill | Wye Mills | Queen Anne's |
