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

The remains of a ruined mansion memorialize the 1906 earthquake.

The last remaining relic of San Francisco's glittering 1915 Panama Pacific Exposition.

An optical illusion found amid a logged redwood forest.

An "anarchical" no man's land, complete with garbage sculptures and a hobo-run "Landfillian Library."

The restored and active Victorian-era final resting place of San Francisco.

A world-class observatory in the California desert.

This massive redwood tree has a hole in the base big enough to drive through.

Sister store to the Echo Park Time Travel Store.

Named after a bandit and the star of several Hollywood prehistoric landscapes, these sandstone formations are a historical part of the Los Angeles natural landscape.

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

Rodin's famous depiction of Dante's 'Inferno', amidst a sculpture garden of many of his other works.

The lowest point in North America is home to an undrinkable pool surrounded by fields of geometric salt flats.

Tiki luxury on Nob Hill.

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

One of the most unusual geological features, recognizable from a dozen hit movies.

Hidden in the hills of Hollywood, this secluded Oz-themed garden is dotted with dozens of thrones.

San Diego's most historic and haunted home.

Big gun installations, built over a massive cemetery, now abandoned & hidden in trees.

Visible below the waves are memorials to the city's Gold Rush dead.

This serene oasis in an affluent Los Angeles neighborhood holds some of Gandhi's ashes and got Elvis into Eastern Philosophy.

An invitation-only museum of items natural and bizarre, arcane and exotic.

One of the ghostly stops along Route 66.

World-famous, Pink's still manages to keep its prized cult fetish status.