A kaleidoscopic warehouse-maze of handmade neon signs.

Rippling sand dunes frozen in the Arizona rock.

Non-profit time travel mart sells goods you would need for a trip through the fourth dimension.

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.

A psychedelic labyrinth on the San Francisco bay.

Not far from the bustle of Kuala Lumpur is an amazing waterfall that navigates seven vertical drops.

Hang out with thousands of butterflies in one of the world's largest such enclosures.

Holy Hindu shrine in an enormous, monkey-filled limestone cavern.

An abandoned whaling station on an active volcano offers hot springs in Antarctica, surrounded by ruined giants of industry.

This abandoned Antarctic base sits nearly unchanged since it was forsaken in the 1950s, just waiting for you to visit.

The best place to send your postcards home from Antarctica.

One of the world's southernmost bars.

A chilly monument dedicated to the French explorer, Jean-Baptiste Charcot.

This lake’s emerald green waters are a spectacular sight, but it’s not a great place for a swim.

The world's largest secondhand book market is a haven for bibliophiles and bargain hunters.

The largest tiger reserve in India is a vast expanse dotted with ancient ruins of Nagarjuna Viswa Vidyalayam.

A complex of six forts embedded in the Rajasthan hills.

Sacred Indian temple that’s all monkey business.

The second-longest continuous wall on the planet protects a hidden secret in the deserts of India.

This otherworldly palace-mausoleum complex is the stuff eternal dreams are made of.

A mecca for India's Jains.

This complex of vertically-excavated Buddhist, Jain, and Hindu monolithic temples in India's Maharashtra providence illustrates a spirit of tolerance characteristic of ancient India.