A blend of art, antiquities, and Americana fill this museum, surrounded by whimsical, enchanting gardens.

This cannon dating to 1755 has stood guard at this suburban intersection since 1915.

A superbly preserved example of Georgian residential architecture that was once home to one of the founders of Alexandria, Virginia.

A massive, majestic mammal watches over pedestrians from his perch atop a former B.P.O.E. lodge.

This brick-lined pedestrian walkway was once a railway tunnel used during the Civil War.

This former asylum for Black Americans is haunted by its history of violence and racism.

The final resting place of an unidentified revolutionary soldier sits behind a Virginia church.

Lake within a lake.

This lovely picnic spot featuring thunderous jet landings is an aircraft spotter’s dream.

A mammoth pair of Civil War artillery guns abandoned out in the forest.

Once forgotten and built over, this historic Black cemetery now houses a poignant memorial.

The oldest building in the District of Columbia was preserved because of a mistaken connection to George Washington.

America's first federal monument.

This Art Deco fortress in upstate New York gives Manhattan's vaunted examples of the style a run for their money.

A lawn full of retired spacecraft on display at one of NASA's first research labs.

This isn't your average roadway—it's actually a National Park and a transportation pioneer.

This stately building in Alexandria, Virginia was built by Freemasons to honor one of their most famous members.

This rare triple-jurisdiction drawbridge passes through Virginia, Maryland, and Washington, D.C.

The narrowest house in America is seven feet of pure spite.

A former major munitions plant that has been converted into a sprawling art space.

This colonial tavern played host to George Washington, Thomas Jefferson, and other famous early Americans.

An original apothecary from 1792.

This grave marks the passing of a historic Jane Doe whose identity remains a mystery to this day.