A winding path built in secret on the edge of the continent.

A huge musical instrument played by the ocean.

Canyon walls shrouded in ferns.

A large lava tube that can be walked through with no special equipment.

The first radio telescope dedicated to the Search for Extraterrestrial Intelligence.

The flow from this waterfall sometimes comes out of springs below its rim.

This ultra-modern California span is actually a titanic solar clock in disguise built by famed architect Santiago Calatrava.

Each winter this underground cave forms a dazzling ice palace.

Trails through lava-carved tube-caves display sparkling bacteria and a rich history.

A unique shopping and dining park created from old shipping containers and filled with local businesses.

A bizarre example of collective behavior resulted in thousands of shoe prints in Vegas parking lots.

Thousands of artifacts relating to human sexuality, including the world's largest sex bike.

This Las Vegas casino boasts one of only three spiral escalators in the United States—an engineering wonder.

One of the world's tallest Ferris wheels takes visitors high above Las Vegas in a spinning party room.

An exotic wildlife habitat right off The Strip.

Formerly the world's largest, this Willy Wonka-esque contraption runs 24/7.

These banned cigarette vending machines now sell little pieces of pocket-sized art.

A giant open-air sculpture made of over 200 full-sized boats.

A tiny slice shop hides down an unmarked hallway in a Las Vegas casino.

Tatsuo Miyajima shares a philosophical appreciation for life with the latest human technologies.

An enormous illuminated figure dances on the Las Vegas strip.

Enjoy the cutest cafe experience outdoors.

This Stonehenge-inspired solar calendar stands alongside a landfill, in the middle of the Nevada desert.

Abandoned landscape once home to "the world's largest winery."