A hard-to-reach oasis in a desolate corner of Death Valley National Park.

Climb to the top of the world's largest seated bronze Buddha.

This hulking behemoth is actually five interconnected towers built in the 1960s.

A countryside Romanian cemetery filled with colorful crosses bearing lyrical, ironic, or satirical rhymes.

Every equinox this Maya pyramid puts on a spooky ancient light show.

This everlasting lightning storm may be the world's largest generator of ozone.

On the outskirts of a desert trading village high on the Andean plain, steel giants have been destroyed by salt winds.

The abandoned hospital whose elaborate ghost stories cover up the dirty truth - an uneventful sanitation issue and other mundane reasons for its demise.

London's creepiest cemetery was once the site of dueling magicians and mobs of stake-carrying vampire hunters.

A spherical "micro-nation" in the heart of Vienna.

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

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

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

A tour of underground Berlin takes you through WWII air raid shelters and tunnels used to smuggle people out of East Germany.

A set of ancient drawings in the desert of Peru that are so massive, many of them can only be fully seen from the sky.

An exquisite tunnel of cascading flowers.

The spectacular Roshen Fountain show lights up the night sky all summer long, until it "hibernates" under the ice waiting for spring to come.

On the Oregon coast is a natural hole that seems to be draining the sea.

An Australian lake whose pink hue defies scientific explanation.

A swing to dangle you off the very edge.

Climb inside an iron crystal magnified 165 billion times its normal size.

Mother Nature outdoes herself with this stunningly beautiful set of caves carved into marble.

An explosion of natural color known as "the river that ran away from paradise."

World's largest crossword puzzle spans the side of a towerblock, its clues scattered throughout the city.