This old-world mansion with lush gardens is a gem in the heart of Silicon Valley.

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

From the sky, a kaleidoscope of color brightens the grey landscape of the San Francisco Bay.

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

It is locally loved and ridiculed for literally looking like poop.

At night, this glittering musical tunnel draws skaters and photographers.

It took years to decode its mysterious messages.

A giant chess set, minus the psychedelic drug trip.

The headquarters of a secretive order is also a beautifully-designed park.

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

A giant can of fruit cocktail is all that remains of what was once the world's largest cannery.

A life-sized mammoth sculpture marks the spot where the remains of a Columbian mammoth were discovered in 2005.

One of the largest Marian shrines on the West Coast stands rather unexpectedly in Silicon Valley.

The state's oldest continuously operating museum houses more than 5,000 Civil War artifacts.