A popular swimming hole that hides one of America's most deadly diving spots.

A modernist landscape of water and sci-fi concrete.

An emerald-green grotto just a short trip from Austin.

Reproductions of nine banned oil paintings coyly hidden behind a curtain in a New Mexico conference room.

The world's largest military aircraft cemetery.

In this small Phoenix taxidermy emporium, you can find everything from a squid in a jar to a freeze-dried toad.

The fading, forgotten remains of a once bright and booming factory.

A reproduction of earth's many biomes.

Most-visited and most-photographed slot canyon in the American Southwest.

An abandoned facility that has become a place of ritualistic satanic worship, or so rumor has it.

Rippling sand dunes frozen in the Arizona rock.

Unknown to many, this sparkling turquoise lake hides amid Oregon's snowcapped mountains.

Hidden beneath a lake for decades, this brutalist mine has now emerged from beneath the receding waters.

This naturally heated mountainous creek has created a group of neon blue pools of potentially deadly boiling water.

Hike amid the palm trees that thrive among Southern California's Indio Hills.

A herd of 150 bison live on California's Santa Catalina Island and are at the heart of an ongoing debate between environmental protection and economic expansion.

Radioactivity still cause for concern at this urban explorer's paradise.

An extraordinary final resting place full of oversized art, amazing statues, and dead celebrities.

L.A.'s oldest operating bowling alley is a beautifully restored homage to its speakeasy days.

Fourteen curious and controversial white bunnies sit in a circle near Newport Beach City Hall.

Beautiful Victorian buildings from L.A.'s forgotten architectural past.

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

After starting as a whimsical tourist attraction that eventually found its way to ruin, these renovated canals offer a lush and exotic locale on the Pacific Coast.

Remants of foundations, streets, and streetcar tracks inhabit the cliffs where a landslide occurred in 1929.