Vietnam's largest Buddha statue depicts a female sage.

A one-of-a-kind collection of a unique medium.

The only theatre in the world constructed specifically for sound movement.

Shop selling 500 flavors of soda has something for everyone.

A tiny theater hidden in an alley plays a constant stream of short silent films for anyone willing to peer through the peephole.

A huge musical instrument played by the ocean.

This off-limits room in the National Library of France is home to a system of pneumatic tubes, once used to bring books to readers.

The curious underground history of keeping Paris clean.

Statue of death tucked in the University of Medicine courtyard.

A mechanized clock where a man fights off a dragon, crab, and rooster.

"In the Dark" Restaurant in Paris offers dinner in complete darkness.

This museum houses an imposing skeleton army comprised of creatures great and small.

France's national museum of scientific and industrial instruments.

The hallucinogenic center of the ancient world.

The subterranean "lake" below the Paris opera house inspired the Phantom of the Opera's lair.

This letter written by Queen Elizabeth II in 1986 won't be opened until 2085.

A lasting remnant of The Blitz.

This lavish room at NYC's French Embassy is a rare relic from the end of the Gilded Age.

Have a steam and some blini at this cafe in a century-old bathhouse.

Finally, you don't have to be a pious Swedish seaman to relax like one.

Where now stands a 42-story condominium tower of marble, glass and steel was once the central market of New York’s slave trade.

The first museum in the United States dedicated entirely to posters.

New York City's only preserved family home from the 19th century.

In upstate New York, gorgeous waterfalls and a watermill are slowly being reclaimed by nature.