The biggest pinball arcade in the world has over 600 pinball machines, and 300 arcade machines.

The oldest burial ground in the city, final resting place of city founders, Ohlone natives and murderers alike.

The "Fun Spot of the Desert" is now a haunting ruin, and a reminder that putting a water park in a desert is a bad idea.

The site of murders and Satanic cult gatherings.

The final resting place of a space program monolith.

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

The randomness of this wall of lava lamps helps encrypt up to 10 percent of the internet.

The last of its kind in the country.

Sister store to the Echo Park Time Travel Store.

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

A Swedenborgian glass church surrounded by redwoods sits perched atop a massive landslide area.

An outdoor sculpture park of giant pink robots and post-apocalyptic Christmas scenes.

A modern mechanical planetary system, part of a 10,000 year clock.

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

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

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

Historic funicular railway, believed to be the shortest railroad in the world.

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.

"Looks so real, it's scary!"

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

Canyon walls shrouded in ferns.

One of the most scenic stretches of road in America winds between some of the country's oldest trees.

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

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