The whole world in one water tank.

A toxic ghost town sitting atop a massive coal fire.

A layered tribute to the work of mosaicist Isaiah Zagar.

An abandoned cemetery lies in ruins as the surrounding forest swallows it whole.

Beyond the usual stories that attend old prisons, this one has deep bloody undercurrents.

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

A small storefront museum explores the history and myth of West Virginia's famous urban legend.

This abandoned amusement park was built on a site with a dark history.

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

Franciscan monks created a facsimile of the Holy Land for North Americans who couldn’t afford the trip overseas.

The rogue roots are gradually consuming some of the historic marble grave markers.

A cavernous three-story, 43,800-square-foot basement that was forgotten about for 60 years.

The first presidential bomb shelter was located in an old vault under the Treasury, connected to the White House via tunnel.

An Industrial Revolution-era public work that purified water using nothing but sand.

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

Long-abandoned trolley tunnels just a mile away from the White House are turning into an art space.

Also known as the Founding Church of Scientology.

People escaping slavery may have hidden inside a corpse vault.

This stately mansion, built in 1787 by America's first Secretary of the Navy, is rumored to be one of the most haunted buildings in Washington, DC.

These recently uncovered walls are all that's left of Washington, D.C's first defense contractor.

Giftshop catering to cryptozoologists and anyone with a sense of humor.

A derelict bit of transportation infrastructure hidden in the woods.

There's a crumbling old mansion inside the Smithsonian National Zoo.

A celebrity from the late Cretaceous period.