This location holds the truth to what truly happened that faithful night.

This old-fashioned candy shop, ice cream parlor, and diner served as the setting for one of TV's most controversial series finales.

A commemorative plaque hides a door that leads down to the New York Public Library's underground book bunker.

An Italian crevasse filled with abandoned buildings gives visitors a look at the world without humans.

Ride the subways of yesteryear.

Despite its grandiose name, this enigmatic first-century void under the town is no cave, and it's possibly not a palace either.

It appears as if a man is standing behind this giant airport clock, painting the hands in real time.

A meandering boardwalk across the bogland leads to a "stairway to heaven" with sublime views.

The palace window through which Protestant nobles flung two Catholic regents, thus sparking the Thirty Years' War.

Deep in the countryside lie the remains of one of the grandest Roman dwellings in Britain.

A miniature rainforest is growing inside of a Midtown Manhattan office building.

The 28-foot granite map plots the locations of 40 theaters in New York City.

There's a 12-foot-tall replica of the Washington Monument hidden under a manhole nearby.

The signs of a long buried road can still be found hidden beneath a London sewer grate.

A beautiful and abandoned New York subway station from 1904, complete with chandelier.