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18-mile paved multi-use trail that stretches from George Washington's Mount Vernon to Theodore Roosevelt Island. Popular for biking and running along the river.
An oasis of wilderness in the middle of suburban sprawl, notable for the amount and variety of wildlife that congregates there. Features a large beaver lake with a boardwalk constructed across it. Popular with bird-watchers.
One of the largest remaining pieces of freshwater tidal wetlands left in the DC area, accessible by a short hiking trail
A 19th-century plantation house
A historic mansion that is headquarters of the American Horticultural Society. The grounds are open to the public, and there is a garden shop.
Popular with joggers and picnickers, the park holds defensive batteries from the former army installation, the exterior of which can be explored.
George Washington's Mount Vernon Estate and Gardens; has its own article