Sandstone rock formations that look like they belong on the cover of a progressive rock album.

Here, at the "world's longest art gallery," you'll find forty miles of ancient petroglyphs and pictographs.

Dig for your own trilobites in this goldmine of invertebrates.

One of the world's oldest and most massive living organisms is a grove of quaking aspens.

Massive prehistoric mammals used these stones as oversized scratching posts.

The largest dune field in the Mojave offers a chance of hearing the 'singing sands.'

An alley covered with 20 years of bubble gum.

In the middle of the desert, miles from any human life, sat an anomalous pay phone that still magically answers your calls.

340 bicycles, 65 feet high.

Cows on a ranch are commonplace, scattered cow bones everywhere? Not so much.

Semi-recognized center of the world, with many oddities.

A Mysterious Masonic tomb in San Luis Obispo.

This dormant volcanic crater has been converted from a roiling pit of magma to a pleasant hiking spot.

The world's largest wooden trestle stretches across this desert canyon in Anza-Borrego Desert State Park.

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

The mysterious round rocks of Schooner Gulch.

A regular looking rock with an unbelievable history.

The "Fun Spot of the Desert" is now a haunting ruin, and a reminder that putting a water park in a desert is a bad idea.

Quite simply the largest tree in the world (by volume).

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

Ten 25-foot-tall, beehive-shaped kilns, abandoned in Death Valley.

A popular tourist cave with a dark past.

The fossilized remains of ancient California redwoods.

Where there's quartz, there must be gold. Thus is the story of the mines of Julian, and the titillating times of the Gold Rush.