Thousands of artifacts relating to human sexuality, including the world's largest sex bike.

These banned cigarette vending machines now sell little pieces of pocket-sized art.

This historic estate on the east shore of Lake Tahoe was home to an eccentric millionaire (and his pet elephant, Mingo).

Historic home to one of the most famous women pioneers of the 19th century.

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

Buddha shrines hide within dark tunnels at this unique forest temple.

This bridge is embedded with a giant steel dragon that breathes fire from its mouth.

This spectacular bridge supported by two gigantic hands looks like something out of a fantasy universe.

Home to what locals claim is the largest whale skeleton in Southeast Asia, which is worshiped yearly.

This Vietnamese hell cave lets visitors take a walk through a devilish underworld full of demons.

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

A former French military respite turned jungle tourism hotspot.

The ancient dwellings of the Puebloans, located in the cliffs of majestic mesas.

Silver in the hills led to the speedy creation of this boom town and a lack of it saw the town abandoned nearly as quickly.

A shady solar power system that couldn't hold up to the harsh desert conditions.

Six times a day a train runs right through the middle of this Thai street market, sending vendors scrambling.

A market for witches is hidden within a train station.

This collection of reclaimed landmines acts as both an exhibition of their deadly history and as a shelter for children affected by them.

Thousands of bats stream out of caves every night on the edge on Thailand's second largest park.

This museum has a most unusual location: inside a giant, three-headed elephant.

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

Walk through depictions of the torture inflicted on those who go to Buddhist hell.

Where scientists keep miles of very valuable ice from Antarctica and Greenland from melting.

A huge work of Burning Man-inspired outsider art on the grounds of a California winery.