100 massive sculptures in the Hudson River Valley.

Standing in a state of "arrested decay," this ghost town allows for a detailed peek into Gold Rush life in an unusually harsh climate.

A huge resale shop for the cast-offs of the film & television industry.

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

Keshwa chaca, among the last handwoven Incan bridges, crosses Apurimac Canyon in Peru.

This chilly Canadian hotel has a four-month lifespan due to the unusual material it's made of.

This antique prison is a tourist attraction with a sordid past.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

Prison made famous by The Shawshank Redemption has been out of commission since 1990.

Medieval torture techniques with a modern conscience.

Ever hear of the Milazzo Cage?

Museum preserving torture methods from the past.

Walk through the actual strap iron cells and solitary chambers of Arizona Territory’s first prison.

A Maori village obliterated by an 1886 volcanic eruption.

Erosion and time have created a naturally-formed water park.

A band of aerialists and circus performers putting on incredible shows in East Williamsburg.

A perfectly circular stronghold constructed in the 10th century is now a nucleus of Viking culture housing a museum, village, and reenactment of an epic Viking battle.

The land is home to swimming ponies and a legendary 18th-century treasure.

A gravity-defying "devil's bridge" that has a surprising architectural feature for its stability.

Italian cave with exceptional acoustics and an unsavory history.

The largest island on the great salt lake is home to curious creatures and strange stories.

The convergence of two currents makes this a surprisingly pleasant getaway in the Arctic Circle.

Dramatic river bend surrounds a natural red-rocked pedestal.

Formerly known as National D-Day Museum, this collection commemorates the battles of Normandy and WWII.