A house built from trash known as the poor man's Hearst Castle.

A tribute to the life and work of the beloved "Peanuts" cartoonist.

An underground mansion with fruit-bearing trees and grapes growing beneath the surface of central California.

The fossilized remains of ancient California redwoods.

It's not your typical library, memorial, or book store.

Outsider art or homage to aliens?

The largest drain hole in the world.

This corn maze so big you may want to pack a lunch, and possibly a flaregun.

The haunting ruins of Jack London's dream house.

An expansive and intricately restored mansion remains from over a century ago--and so do its ghosts.

Discover for yourself what Herb Caen referred to as "the best kept secret in the Bay Area."

Every year, over 25,000 monarchs overwinter in Pacific Grove.

Concrete strongholds stand guard over the Golden Gate.

A working model of the entire San Francisco Bay and much of the Sacramento River Delta, complete with regular tides that change every 14 minutes.

Internationally-recognized arts center housed in a century-old former military barracks.

The seawater playground of gilded-era San Francisco burned to the ground in 1966.

The one-time watch house for incoming ships at the Golden Gate now stands abandoned and hidden in trees.

A walk-in working camera obscura produces 360-degree live images of the San Francisco coast.

The remains of a ruined mansion memorialize the 1906 earthquake.

A favorite haunt of dinosaur loving children and hallucinogen loving hippies alike.

A 90-acre park on former landfill that hosts an annual kite festival.

A huge musical instrument played by the ocean.

Visible below the waves are memorials to the city's Gold Rush dead.

A hidden subterranean installation offers a view of the sky.