The world's most famous donkey lives in this pen.

Concrete strongholds stand guard over the Golden Gate.

This concrete ship has had four careers - World War I tanker, floating amusement park, fishing pier, and artificial reef.

One of the most elaborate displays of Jellyfish is on display at the aquarium.

A massive volcanic plug is now a protected area that hosts a number of bird species.

This diner's a kitschy dreamland for anyone whose heart is stuck in the 1980s.

A statue commemorate Tommie Smith and John Carlos's brave protest at the 1968 Olympics, a watershed moment for civil rights.

A pair of pure white felines guard the entrance to a spot of California real estate established as an artist's haven.

A tiny survivor of the Donner Party disaster.

A New England-style lighthouse along California's beautiful Highway 1 gets a re-do.

Its dark depths conceal millions of rare, delicate crystal formations.

The capitol city's oldest existing cemetery.

A giant chess set, minus the psychedelic drug trip.

Two mammoth statues inspired by equally tall tales lure tourists to this roadside attraction.

This stretch of beach along California's central coast is a busy highway for the largest seal in the northern hemisphere.

Oakland's beautiful monumental cemetery.

The world's first permanently occupied mountain-top observatory continues to report on the stars.

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 elaborate gift from Claus Spreckels is now a piece of San Francisco history.

From the Difference Engine to the Cray-1, all under one roof.

A surreal, Gaudi-inspired play space near an Anaheim community center.

This quaint archive of the silent era preserves and pays homage to a seminal moment in film history.

An eccentric home stands out in an otherwise average neighborhood with mosaics, mini topiaries, and kinetic sculpture.

One of the largest free-standing structures ever built, this dirigible hangar is now simply a giant skeleton.