Once connected to the outside world by a single train track, this ghost town is looked after by the National Park Service.

Hikers can still stroll beneath the long conveyer of this abandoned mining facility hidden in a West Virginia river gorge.

The remains of one of the last mining camps developed on the New River.

The brainchild of Eleanor Roosevelt, her "Little Village" was a collectivist dream.

Two gems of Beaux Arts architecture that have been sitting vacant for years.

Take a steam-powered ride straight out of the past on this Appalachian rail line.

This rural community has attracted both scientists and techno-refugees due to its federally-mandated lack of technology.

The world's largest fully steerable radio telescope.

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

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

A monument marks the location of the first successful steamboat demonstration.

Time travel with sweets across history at this research-based candy store.

The "mysteries" of this quintessential roadside oddity were almost destroyed by neglect but were saved by fans of kitschy wonder.

A rotating cast of guys and dolls in front of a Washington, D.C. building.

A bas relief commemorates the "Nuns of the Battlefield" who cared for soldiers on both sides of the conflict.

This seemingly out-of-place gas station by the Watergate hotel was once described as the most expensive gas station in the world.

A portal into the bricked up canal that runs through the heart of Washington D.C.

The privately owned cemetery that holds room for Washington's finest when they step down from life.

The winding route passes through an enclosed alleyway, two tunnels, and leads to the White House basement.

The house where John Wilkes Booth conspired with his co-conspirators.

An easily overlooked memorial to a Ukrainian famine-genocide that killed over 4 million people.

Fittingly, America's museum of architecture is itself a magnificently designed old building.

Light bulbs, scrap wood, and tinfoil comprise this homemade throne of the gods.

Go take a picture with the inventor of the daguerreotype photographic process.