An island filled with hundreds of hanging, decomposing, decapitated dolls.

For two weeks every June, fireflies in the Smoky Mountains perform an astonishing light show.

A serpentine highway twists and turns over the treacherous Norwegian Sea.

High on a hill overlooking Los Angeles lives a world famous, high power conical Tesla Coil.

A strange house built only at night, with rumored mystic inspiration.

An isolated dive site teeming with cnidarians.

Stunning wetlands ablaze with pink lotus flowers.

A whimsical and twisted animatronic monster tour beneath the streets of Berlin.

Hot springs monkey spa in the middle of Hell's Valley.

The history of occult science is turned into a creepshow at this lurid Prague tourist attraction.

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

The old Niles Canyon Aqueduct in the San Francisco Bay Area is a bemusing and secret trail through nature for wayward travelers.

Bring your own cardboard to the slippery slopes of concrete hidden in a neighborhood park.

The macabre collection of Jacques Sirgent, an expert scholar on the undead and all of their trappings.

An exquisite tunnel of cascading flowers.

An Italian crevasse filled with abandoned buildings gives visitors a look at the world without humans.

La Monte Young and Marian Zazeela's "Dream House" will immerse you in an ever changing world of sound and light.

A battle between nature and architecture in the Cambodian jungle.

A 200-year-old bar in the historic French Quarter refuses to give up its place in history, nor its role in securing ours.

The second-largest cave chamber in the world was discovered in 1898 by a 16-year-old and a friend known as "Pothead."

A church of bones, decorated with 40,000 human skeletons.

The "world's biggest dinosaur" once housed a creationist museum in its abdomen.

San Francisco's newly reopened hands-on science museum.

Home to items never before seen by the public.