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

The ghost town that ended up on Ebay.

A 300-ship graveyard, with a few still visible at low tide.

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

Big gun installations, built over a massive cemetery, now abandoned & hidden in trees.

An inconspicuous footbridge beloved by San Diego locals.

The tea room that pushed the boundaries of adorable straight into...we can't find the words.

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

This glamorous old building is said to have inspired the Tower of Terror.

The last remaining relic of San Francisco's glittering 1915 Panama Pacific Exposition.

Explore 10 acres of environmental sculptures.

An essential stop before plundering, BYO Cutlass.

Eons old volcanic activity created one of the most stunning rock formations in the United States.

A nondescript building that's been functioning as a speakeasy for nearly a century and a half.

A spiritual retreat in the heart of Los Angeles offers stunning gardens and a labyrinth to lose yourself in.

This Big Sur waterfall drops 80 feet directly into the Pacific Ocean, and inspired the hillside house up top.

Aqueducts have dramatically changed this old lake, now home to tufa towers and its very own species of tiny brine shrimp.

A collection of 20th-century automata, penny arcade games, and musical contraptions.

After starting as a whimsical tourist attraction that eventually found its way to ruin, these renovated canals offer a lush and exotic locale on the Pacific Coast.

Stripes of flowers bloom each spring in a 50 acre rainbow of color.

A shop full of natural curiosities, carnivorous plants, and costumed taxidermied mice.

Trails through lava-carved tube-caves display sparkling bacteria and a rich history.

Staircase winds down the side of Telegraph Hill through gardens, wild parrots flying overhead.

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