Antietam National Battlefield
Assateague Island National Seashore
Baltimore
Battle Creek Cypress Swamp
Calvert Marine Museum
Catoctin Mountain Park
Chesapeake and Ohio Canal National Historical Park
Cunningham Falls State Park
Fort Frederick State Park
Fort McHenry National Monument and Historic Shrine
Fort Washington Park
Great Falls Park
Harpers Ferry National Historical Park
Harriet Tubman Underground Railroad National Historical Park
Monocacy National Battlefield
Montpelier Mansion
Piscataway Park
Sideling Hill
Sotterley Plantation
Thomas Isaac Log Cabin
Thomas Stone National Historic Site
Washington Monument State Park
