These old stone ruins in the Oregon wilderness were once bathrooms and are steeped in legends of murder.

An exquisite tunnel of cascading flowers.

Rippling sand dunes frozen in the Arizona rock.

World's largest collection of serial killer artwork and other macabre exhibits.

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

This astonishingly geometric cave has inspired everyone from Jules Verne to Pink Floyd.

An artsy hidden staircase leads to breathtaking views of San Francisco.

A psychedelic labyrinth on the San Francisco bay.

The vast, legendary catacombs hold secrets much stranger than stacked bones.

A huge musical instrument played by the ocean.

Colorful boxes placed over the dead are left to rot and crumble.

An underground magnet for ever-changing street art.

Tour the sci-fi-esque reality of governmental disease management.

You may get stranded and everyone's peeing in the water, but at least there's cocktails!

The subtle interplay of fire and water is hard to ignore at this remote Jamaican spring.

Jacksonville's highways rendered this century-old grammar school unusable.

A clear blue swimming hole with hidden caves, still unexplored.

A futuristic temple of light uses prisms and rainbows to create an atmosphere of peace.

Home of the International Space Hall of Fame.

A small metropolis of Pueblo cave dwellings have been carved right into the hillside of this national monument.

If drivers cross the rumble strip on this stretch of Route 66 at just the right speed it plays "America the Beautiful."

The official atomic museum of the United States explores the explosive and productive history of a much maligned energy source.

Eat like pre-Columbian Native Americans in this New Mexico restaurant within the Indian Pueblo Cultural Center.

The ruins of this abandoned fort now stand as a picturesque reminder of America's march West.