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.

The intricate stonework of Machu Picchu serves as a testament to Incan engineers.

A battle between nature and architecture in the Cambodian jungle.

These warring psychedelic crags commemorate an unsuccessful military operation.

Bridge that died in war and was resurected.

Ozymandias’ time-keeping temple.

Deep in the Guatemalan jungle stands an ancient pyramid that once marked the reign of a king.

A collision of human error and natural geothermal pressure created this rainbow-colored geologic wonder.

Rippling sand dunes frozen in the Arizona rock.

In this historic region, homes and churches are carved into ancient volcanic rock formations.

A mecca for India's Jains.

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

Subterranean place of worship in Indonesia.

A fashion designer's dazzling world of Japanese collectibles is hidden in a warehouse downtown.

This "synagogue" is not what it seems to be.

Pizza joint known for labor-inducing salad dressing.

Rare collectibles from automated musical instruments to 250 unique automobiles.

What began with a single, 357-pound chunk of the Canyon Diablo meteorite grew to be an impressive collection. 

Hidden above a drug store on a nondescript corner of Lincoln Heights is a private clubhouse for intrepid explorers.

From pre-war whiskey cocktails to prohibition-era speakeasy secrecy, this bar has seen it all.

A shrine to a skeleton saint in the city of angels.

The remains of the first punk club in L.A.

A ghost town at the airport is now a refuge for blue butterflies.

One man's vast collection of artifacts and ephemera from matchbooks and postcards to vintage neon signs and cars.