A small museum in the Golden Triangle tells the story of the opium drug trade that gripped Northern Thailand.

A condom-covered Thai restaurant that is more concerned with birth control than food.

The other side is actually green.

An awe-inspiring mosque in Morocco with one of the tallest minarets in the world.

Thousands of narrow alleyways in an ancient medieval city make up what's believed to be the world's largest car-free urban zone.

Traditional 11th-century outdoor tannery.

A fortified city, home to a remaining population of five families

One of the most spectacular canyons in the world.

A nightmare for the claustrophobic lies hidden in Southeast Asia.

Giant pagoda houses the car that drove Thích Quảng Đức to his death by self-immolation.

A Surreal flight of architectural fancy in Vietnam's Central Highlands.

Mummified monks and the accidentally interred, in a 17th-century crypt.

This hanging crocodile is thought to be the "dragon" that once plagued a Czech city.

Europe's second largest ossuary wasn't discovered until 2001.

A surreal statue honoring Prague's favorite literary son.

The oldest garden in Prague, once part of an medieval orchard.

A bust of Franz Kafka spins in pieces, reflecting the writer's inner torment.

A 400-year-old mummified arm dangles from the ceiling of St. James the Greater, serving as a warning to thieves.

Around 100,000 bodies are buried below the medieval headstones, many of which mark graves with multiple bodies stacked up to 12 deep.

Macabre astrological automaton clock dating to the late 1400s.

This Boston medical museum features the skull of the famous medical case of Phineas Gage.

One man's psychedelic fence is painted with his cacophonous folk art musings on the world.

Museum dedicated to awful artwork.

Three prestigious academic collections come together to create a world-class natural history museum.