The ghost town left by the worst nuclear disaster of all time is being taken over by nature and urban explorers.

A historic grist mill and active sluice on the Black River.

Final resting place of two dozen New York City harbor ships.

The largest catacomb system in the world.

"The Most Wonderful Wonder that ever appeared to the Wonder of the British Nation."

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

The Denver airport is guarded by a 32-foot-tall sculpture of a demonic horse.

Secluded amid upstate New York’s Adirondack Mountains lies this subterranean emblem of a nation on the brink of nuclear war. And it's for sale.

A tomb with a window to ensure the interred wasn't buried alive.

One car at a time please.

The Vermont grave of a 4,000-year-old mummy prince.

Make a tough dinner decision: Octopus wasabi roulette or bull penis?

Walk over a 150 year old manhole.

Murder scene memorialized in perpetuity by grisly obelisk.

An enormous park-like oasis, full of famous Chicagoans' graves.

An underwater city for the dead.

Elaborate series of tunnels where traces of mass suicide are still visible.

This gravesite in the Amazon Rainforest was left behind by a failed Third Reich expedition.

Once one of the largest producers of pig iron in the world.

Home of an evil witch famous within southern folklore.

An oversized metal construction of Billy Tripp's moods going through life.

A bizarre roadside attraction and the first instance of miniature golf in the world.

Home to drunken tower-climbing goats... seriously.

One person's lost luggage is another person's treasure.