A dwindling menagerie of anthropomorphic oil derrick animals still dot the barren California landscape.

Bring your own cardboard to the slippery slopes of concrete hidden in a neighborhood park.

A pair of slides and a tree-lined stair corridor have been an urban oasis for nearly 40 years.

A museum befitting the city responsible for supplying the majority of the world's LSD.

Get a taste of Chamorro cuisine, family-style, at this popular restaurant.

A small Second Empire-style building is one of only seven remaining lighthouses on the Hudson River.

The Hudson River School comes alive at this palatial estate.

Machinery left over from California's once thriving mercury industry now attracts artists and explorers.

Coastal dunes, site of buried Egyptian movie set and former utopian colony.

Hidden in the Santa Ynez Mountains off Highway 154, this tiny restaurant once served as a stagecoach stop.

This stunning sea creature-shaped home blends into the landscape like a fantasy villa.

Acres of natural wonders left behind by a socialite-turned-gardener.

Happy harbor seals frolic and snooze on this warm, sandy stretch of coast.

The disdain for this dysfunctional dam is reflected in a giant pair of scissors painted on the concrete face.

Explore more than 130,000 new and used books in the "world's largest outdoor bookstore."

Graffiti-covered ruins that were once part of a farm owned by a mental hospital.

A new kind of theme park for adults off the Las Vegas Strip.

This former shopping outlet is now adorned with beautiful graffiti and murals.

A former utopian healing center created by a huckster and built by derelicts.

One of the last free public hot springs is decorated with hippie art.

Smooth basaltic rocks tell a tale of ancient glacial waterfalls.

A mountain range on an active U.S. Navy base hides thousands of mysterious prehistoric rock carvings.

This sun-scorched lakebed contains samples of half the natural elements known to humankind.

This unique graffiti art from the 1940s has become a staple of this local landscape in the remote California desert.