National park sites in Maryland
27 sites run by the National Park Service. Each page has today's hours, the entrance fee and directions.
Every site
Parks 6
Other Park Service sites 4
National Historic Sites 3
National Historic Trails 3
National Historical Parks 3
National Battlefields 2
National Scenic Trails 2
Memorial Parkways 1
National Monument and Historic Shrines 1
National Seashores 1
Parkways 1
Source: National Park Service data feed, checked September 24, 2026. Sites that cross a state line are listed in each state.