California's own medieval Italian castle, authentic down to the 300-year-old iron maiden in the dungeon.

Nestled in the heart of San Francisco’s bustling Financial District stands a unique homage to the Mayan and Beaux Arts.

The site of murders and Satanic cult gatherings.

Travelers exchange letters with woodland creatures at this mini post office.

This glamorous old building is said to have inspired the Tower of Terror.

Most famous work of one of Frank Lloyd Wright's sons.

Small museum packed with artifacts recovered by the man rumored to be the real-life inspiration for Indiana Jones.

These millipedes glow not out of attraction, but as a not-too-subtle warning.

A storybook European village in Berkeley.

One man's vast collection of artifacts and ephemera from matchbooks and postcards to vintage neon signs and cars.

Magical-looking cottages that inspired one of the most famous animated films ever.

A spiritual retreat in the heart of Los Angeles offers stunning gardens and a labyrinth to lose yourself in.

In this century-old literary safehouse, print is alive and well.

The largest drain hole in the world.

Exotic feline breeding compound and conservation center.

A modern day curiosity cabinet.

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

Abandoned bridge hidden deep in the San Gabriel Mountains.

A modern mechanical planetary system, part of a 10,000 year clock.

Standing in a state of "arrested decay," this ghost town allows for a detailed peek into Gold Rush life in an unusually harsh climate.

A tiny theater hidden in an alley plays a constant stream of short silent films for anyone willing to peer through the peephole.

An outdoor sculpture park of giant pink robots and post-apocalyptic Christmas scenes.

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

Stripes of flowers bloom each spring in a 50 acre rainbow of color.