The biggest pinball arcade in the world has over 600 pinball machines, and 300 arcade machines.

World's largest collection devoted to one fruit.

This general store offers visitors a glimpse back into the 1930s.

A UFO scrapyard in the California desert.

A world-class observatory in the California desert.

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

The overgrown ruins of a once thriving World War I-era copper mine.

These unusual houses look like giant boats that washed ashore on a residential street.

The Giant Lemon of Lemon Grove.

One fisherman has used his love of pebbles and shore to create a crazy garden of rocky art.

The natural history museum displaying the British bird collections and dioramas of Edward Booth, free of charge.

This magnificent castle grew from a small Moorish fortress, and reportedly inspired two iconic Disney castles.

One of California's oldest continually used high schools has an interesting history, both on and off screen.

This castle was once considered as an option for the Royal Family's alternate residence, but you may know it better from the 'X-Men' movie.

George Lucas donated this park to honor the birthplace of his two biggest movie franchises.

Centuries of biking history are nestled in the shadow of the birthplace of contemporary mountain biking.

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

This painted marvel is San Francisco's 400-foot ode to urban biking.

Inside this museum, the history of the Walt Disney Family empire is on full display.

One of few lasting examples of the brief octagon craze that developed into folly.

A promotional sun clock on the site of San Francisco's great raceway.

Its buzzing collection honors vibrator history.

A psychedelic labyrinth on the San Francisco bay.

An artsy hidden staircase leads to breathtaking views of San Francisco.