The unique waterfall in Iceland's south features a backdrop of geometric black lava columns.

Continuing the tradition of the dime museum in style.

Thousands of exquisitely carved stone water storage wells, hundreds of stone steps fill this exquisite medieval stepwell.

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

Two stunning 17th-century libraries and a cabinet of curiosities.

Monasteries on rock pillars, once accessible only by frayed ropes.

Stepping away from the glitz of mobsters and casinos to learn about the other history of Vegas.

Staves, storm-calling, and of course, necropants.

The tragic reality of a town riddled with rumors of haunts, chemical spills, and serial killers.

Enormous lake at the bottom of a unique cave system.

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

A collection of haunted artifacts chronicles the career of the world's most famous paranormal investigators.

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

A snapshot of the city's fascinating voodoo culture.

Dodge prohibitionists and slide through the telephone booth in Crif Dogs.

Remnants of a storybook amusement park hidden behind a strip mall.

A 16th-century horror show built in a lovely Italian garden.

A one-of-a-kind collection of a unique medium.

The inspiration for H.P. Lovecraft's horror stories and Batman's Arkham Asylum is now a condominium complex.

Medicinal spa created with the discharge from a geothermal energy plant.

The rocks in this arid basin leave trails of movement behind them.

A tiny museum housed in a New York freight elevator specializes in the "overlooked, dismissed, or ignored."

An exquisite tunnel of cascading flowers.

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