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

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

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

An original apothecary from 1792.

This small pedestal marks the spot of the first lot of land sold in Alexandria, Virginia in 1749.

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.

Long buried under the 20th-century landscape, this lift lock of the Alexandria Canal is the lone remnant of an ambitious early American transportation project.

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

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

The romance of early commercial flight still fills this Art Deco destination.

An oft-overlooked, magically musical monolith that stands majestically between Arlington Cemetery and the Iwo Jima Memorial.

This church built atop a gas station promises to "equip you for the next stage in your life’s journey."

This unique historical monument features large concrete spheres designed to resemble fallen stars.

At 207 feet, one of the world's longest continuous escalators.

Once home to seven different roller coasters, Glen Echo has undergone many transformations since its founding in 1891.

The bridge's highly-contested plaque (once again) honors Confederate President Jefferson Davis.

Built to defend Washington D.C. during the Civil War, this fort became a post-war nucleus for a thriving Black community.

True to its name, this little house presents like a dollhouse, and surprising details are revealed with a quick peek through the window.

This general store is more than a century old and home to various oddities and antiques.

The "All-Seeing Eye of God" symbol on this library is a clue to one of the many former lives of this building.

A giant time capsule not scheduled to be cored until 2040.

Berkeley Hot Springs presents to you "the only outdoor monument to presidential bathing."

This statue in Talcott, West Virginia, is an enduring symbol of American grit.