California's own majestic geyser is powered by a subterranean volcano.

A burnt orange monolithic dome structure perched on a hillside near Interstate 280.

The awe-inspiring ship from the golden era of cruising has an incomparable history and a reputation as one of the world’s most haunted places.

The interior of the Overlook Hotel in "The Shining" was based on this Yosemite original.

The lighthouse central to the 1980s horror classic "The Fog" is, in fact, located in one of the foggiest areas of the Pacific Coast.

San Francisco Bay's ghost town.

Life in this isolated, hilltop lighthouse was lonely, but it sure was lovely.

The largest drain hole in the world.

The unbelievably opulent home built for an infamous newspaperman.

Standing in a state of "arrested decay," this ghost town allows for a detailed peek into Gold Rush life in an unusually harsh climate.

Finale of "William Tell Overture" can be heard as drivers pass over grooves in the road.

Golden Gate Park's historic collection of plants.

San Francisco's urban bison herd has persisted in the face of extinction, development, and disease.

Once thought to be the oldest living tree in the world, Methuselah was germinated before the Egyptian pyramids were built.

Quite simply the largest tree in the world (by volume).

Towering basalt columns, a creation of fire and ice.

Hollywood's most famous landmark, the "temporary" sign that has stood for decades longer than intended.

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

The magic's in the hole!

Offering commanding views of the California coastline, this restaurant was a hub for the artists and bohemians of Big Sur.

This coffee shop lies hidden beneath a historic church.

At 1,732 feet above sea level, this spectacularly isolated yet surprisingly bustling bar is the highest pub in Britain.

The only pub in the world surrounded by an ancient stone circle.

Also known as the Square Colosseum, this building is a prime example of fascist-era rationalist architecture.