A historic house left in "dramatic still life."

A subterranean ice warehouse that has lain hidden beneath central London for over a century is now open to the public.

Descend 2,030 years into the past in an ancient tunnel built to support Jerusalem's most famous wall.

A once-luxurious, now abandoned hotel in the Italian Alps.

Hidden beneath the streets of London is a secret subway that only carried mail.

The perfectly preserved underground rooms where Churchill plotted the war against Germany.

This London pub hides a peculiar secret: a recreation of the rooms shared at 221b Baker Street by Sherlock Holmes and Dr. Watson.

Hidden within a Netherlands crater is a stone bed that lets those who lie in it see the sky as a curved surface.

A seven-century-old jail tells a not-so-pleasant history of crime and punishment.

Venture into the hideout of one of Hong Kong's legendary pirates.

A colossal floating restaurant built to look like a ancient Chinese imperial palace.

Take a cruise with no movement but plenty of style in this one-of-a-kind boat mall.

This World War II bunker now survives as a documentation of the Nazi regime and war crimes.

The site of good faith and good nature in the fictional world of Kcymaerxthaere.

When German-Iraqi relations broke down, this embassy was vacated post haste.

This futuristic German spa allows visitors to float in a pool of salt water while zoning out to underwater techno.

An old department store turned Nazi prison turned artist commune.

A breathtaking bridge that crosses a vast gorge over a river's torrents, and has a tale of a devil architect attached.

The atomic museum in the basement of this German castle displays long strands of replica uranium cubes.

Created by a pair of artists, this former hotel was designed to provide a minimum of everything including comfort.

According to the local folklore, the myriad colors of this lake are the result of a lovelorn wizard's blunder.