Thousands of crosses and markers for soldiers who lost their lives in Iraq and Afghanistan blanket a California hillside.

The oldest Naval cemetery on the West Coast.

The rusting remains of the largest assembled WWII fleet on the West Coast.

The unedited photograph called "Bliss" has graced the screens of over a billion computers.

340 bicycles, 65 feet high.

The largest drain hole in the world.

Dentist's hated concrete colossi are now beloved icons of the community.

California's own majestic geyser is powered by a subterranean volcano.

A huge work of Burning Man-inspired outsider art on the grounds of a California winery.

The mysterious round rocks of Schooner Gulch.

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

Shakespeare has been brought to life in this open air theater for the better part of a century.

This abandoned motel doesn't welcome guests anymore, but decay and a creepy atmosphere still call it home.

A botanic garden full of trees twisted into fantastic shapes and positions.

A raised boardwalk winds through a thicket of stunted, century-old trees no more than nine feet tall.

Treehouse motel and treehouse-building school.

A crumbling wizard is one of the final reminders of a roadside Middle Earth.

One of the oldest reform schools in the United States, home to wayward boys such as Merle Haggard, now abandoned.

Once the gateway to the utopian dream-village of a Civil War embalmer.

An abandoned, unfinished mansion on grounds strewn with lava rocks.

Forgotten and then destroyed by fire, this was once one of the largest saltwater swimming pools in the world.

The one-time watch house for incoming ships at the Golden Gate now stands abandoned and hidden in trees.

A 300-ship graveyard, with a few still visible at low tide.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.