An underwater restaurant, surrounded by a coral reef.

The only swimming pool listed on the National Register of Historic Places is emptied and refilled each day with naturally filtered water.

A forsaken wonder in the middle of the East Side neighborhood.

Eyam took steps to quarantine themselves and keep the plague from spreading.

This knick-knack-covered house (complete with a matching van) is a charming oddity in the middle of a modest downtown neighborhood.

This vast kitty-themed collection illustrates the history of human-cat interaction.

The remains of the iconic train crash from the movie The Fugitive can still be found rusting along the Great Smoky Railroad.

Under a glass sidewalk lie the remains of some of Manhattan's oldest buildings.

Nearly four centuries after its founding, remnants of one of the oldest planned communities in North America are still visible in southern Brooklyn.