An Amsterdam street lined with antique shops each one dedicated to a different obscure collection.

Museum preserving torture methods from the past.

A futuristic, brutalist masterpiece that is also strangely prison-like.

An organ located deep within a cave, whose "pipes" are the geological features of the cave itself.

The one-time watch house for incoming ships at the Golden Gate now stands abandoned and hidden in trees.

Step inside Lucy, the world's largest "elephant."

This palatial botanical garden is home to one of the largest pipe organs ever installed in a private residence, and a piece of Wood's cycad.

This Delaware River bridge is emblazoned with a catty slogan from a more prosperous time.

Castle and secret tunnel withstood a siege until its owner was killed by the Holy Roman Empire, while sitting on the toilet.

A miniature train-ride through Slovenia's largest cave system.

Commonly acknowledged as the only public monument to the Devil himself.

This extensive collection of dead bugs may be the world's most idiosyncratic and personal insect museum.

For centuries young Thai men used this Giant Swing as a slingshot to heaven.

A battle between nature and architecture in the Cambodian jungle.

Shoes and revealing shirts are not allowed inside this giant Vietnamese Christ.

Artifacts and memories from the Vietnam war, located in a place that experienced it first hand.

Ho Chi Minh's perfectly preserved body has been on display here since 1975.

Ha Long Bay's "Cave of Surprises" houses a popular phallic rock formation.

A tiny church on a man-made island in the Adriatic.

These historic defenses ensured the city within would survive hundreds of years of occupations, sieges, and invasions.

Gargoyle head that brings good luck.

A wunderkammer of gold and silver reliquaries and ancient saintly bones.

This exclusive resort has completely covered a tiny Balkan island in a 5-star warren of guest rooms.

A whimsical bridge adorned with decorative dragons.