A peculiar mansion built by the troubled heir to the Winchester Rifle Company fortune.

A modern frieze of ancient Grecian mythological figures playing a national pastime.

Lombard Street may be more famous, but this is the real “crookedest street in the world.”

Since 1973, this block has been home to the most concentrated collection of murals in San Francisco.

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

The black lab that was voted mayor of a California town is forever remembered by a life-size statue.

The longest burning light bulb in the world.

The huge granite obelisk that towers over a small California town.

Giant jewel-toned statues fill the grounds of this Cambodian Buddhist temple in California.

The former Naval shipyard is open for exploring - mostly.

The oldest Naval chapel in the United States is home to an incredible collection of Tiffany stained-glass windows.

The perfect spot for a picnic, right next to a giant ballistic missile.

A plaque and memorabilia collection mark where A&W got its start.

A huge collection of rocks, gems, and crystals.

The rusting remains of the largest assembled WWII fleet on the West Coast.

A sparse, solitary sequoia still stands as a living tribute to the famous conservationist who planted it—but it's dying.

Before it was abandoned and left to rust alongside the road, this riverboat starred in a John Wayne movie.