Largest collection of mounted dinosaur specimens in the world.

A wacky two-story folk-art assemblage of carved and found objects, with lights, motion, and sound now in need of financial support.

The mysterious, fantastical woodland inspiration for "The Lord of the Rings."

"World's largest scrap metal sculpture" stands in an outdoor sculpture garden in the middle of Wisconsin.

One of the world's largest Tesla coils.

The remains of diamond fever taken over by the desert.

One believer transformed a local curiosity into proof of Vikings on the Great Plains.

Skeletons dressed in extravagant 18th century royal costumes cavort in the aisles of this German basilica.

Tropical paradise strewn with hundreds of World War II wrecks.

Celebrated as a center of civilization, the remains of the ancient city have been nearly destroyed by greed, egoism, and war.

The seamy, underground secrets of Portland's criminal past.

Private collection of art inspired by cabinets of curiosity.

An enormous, 30-story-deep hole in the middle of Guatemala City.

World's only nuclear reactor operated by liberal arts undergraduates.

Shrine to Japanese water-goblins, complete with their preserved body parts.

A small town Romanian cemetery filled with darkly humorous gravestones.

Where beautiful signs live on forever.

Three legendary, living albino buffalo roaming their pastures for all to see.

The world's largest drain sits below the city of Kasukabe, Japan.

Obelisks and stone pineapples in the Irish countryside.

George Washington's dentures and Queen Victoria's dental instruments are in the nation’s official museum of the dental profession.

A face emerges from the landscape when seen from the air.

Mozart's skull may be held in this collection, but definitive proof continues to elude scientists.

A museum devoted to bringing to light forgotten or neglected histories through exhibitions, education and public programming.