One of the world's largest model railroads is a mind-boggling achievement.

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

A unique sculpture park that specializes in the huge and bizarre.

Delicate Wurlitzers, creepy clowns, and The Noid all share space in this insane explosion of kitsch history.

This charming colonial alleyway is one of the oldest continuously used residential streets in the U.S.

A modern ghost town whose inhabitants were driven away by the growth of nuclear power.

Frank Lloyd Wright's most iconic home dangles over a Pennsylvania waterfall.

Tour the dark and beloved poet's former cobwebbed basement, which may have inspired "The Black Cat."

Mysterious rocks that ring musically when struck.

A layered tribute to the work of mosaicist Isaiah Zagar.

A toxic ghost town sitting atop a massive coal fire.

World's first "penitentiary," meant to be humane, drove men insane.

Huge masonic hall in Philadelphia with lavishly themed rooms.

Eccentric concrete mansion and museum designed and built by hand from the inside out.

Life-sized painted illusions let pedestrians blend in with the street art.

The notorious "Hanoi Hilton" where Vietnamese colonial subjects and later American POWs, including John McCain, were imprisoned.

Home of the unusual art of water puppetry, one of Vietnam's oldest curiosities.

Twice a day a speeding train passes only inches from the homes of this residential neighborhood.

Hundreds of Buddhas in a re-discovered Indonesian temple.

Subterranean place of worship in Indonesia.

This Balinese sea temple is thought to be guarded by the hundreds of monkeys that live around it.

A sprawling nature preserve harbors the world's only living dragons.

A small museum full of giant effigies of Bali's demons and monsters.

The name of this ancient Indonesian temple translates as "Elephant Cave" but it could be more accurately called "The Hellmouth."