Here, visitors can swing with the waves of the Pacific Ocean.

After serving in World War II and picking up Apollo astronauts, this aircraft carrier has been turned into a museum overlooking the San Francisco Bay.

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

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

Once close to extinction, there is no shortage of elephant seals on the beaches of Año Nuevo State Park.

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

This controversial depiction of the "Founder of California" looks as though it was sculpted from mashed potatoes.

An ominous concrete cube cuts a dystopian silhouette atop this California mountain.

A Roman-inspired temple once controlled half of San Francisco's waters.

An extensive collection of ancient Egyptian artifacts and mummies.

This giant shopping mall still holds signs of its automotive past.

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

Guarded by the Angel of Grief, the Stanford family tomb attracts an odd mix of halloween revelry and somber contemplation.

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

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

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

An Aladdin's cave of old Silicon Valley tech.

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

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

This 252 step staircase offers stunning views of San Jose.

Historical trolley restoration and operation at History San Jose, Kelly Park.

Three plaques mark the spot where the "forgotten father of broadcasting" worked.

The largest permanent Monopoly board makes one of the longest games even bigger.

It took years to decode its mysterious messages.