Places pinklittlerabbit600 Wants to Go

The graffiti-covered remnants of a former triangulation station are balanced precariously on this California peak.

A 140-year-old castle with underground caves hidden in San Francisco.

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

Another of California's unused Cold War missile defense complexes has become a graffiti gallery.

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

San Francisco's oldest surviving monument and meeting place for 1906 survivors.

San Francisco's newly reopened hands-on science museum.

This subtle Berkeley paving stone actually marks off a lawless tube of air that extends into space.

Masterful ceramic fountain and map of the Pacific Basin.

Potential high level nuclear waste storage site for the next 10,000 years and beyond.

Eons old volcanic activity created one of the most stunning rock formations in the United States.

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

Towering basalt columns, a creation of fire and ice.

These once-beautiful historic graveyards are set against the barren Virginia City hills.

Beneath a Virginia City bar is the entrance to an abandoned gold mine.

If you are looking for a used Russian battery, Chinese Ham Radio or other electronic oddities this Flea Market is a good place to start.

An abandoned Cold War missile radar site.

The former Naval shipyard is open for exploring - mostly.

Oakland's beautiful monumental cemetery.

An abandoned car and strange wooden debris are among the scattered remains of the old sand and gravel quarry.

A ruined hotel with an unlucky history and an eerie present.

This historic California cemetery holds the bodies of veterans of both the Civil War and the Donner Party.

A popular tourist cave with a dark past.

The now-abandoned tunnels were built for the transcontinental railroad on the route where the first wagon train entered California.