The mysterious, untimely death of a Canned Heat band member still haunts this unfinished home.

An unreal vintage shop that wears its dadaist influence on its zombie fish.

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.

Smooth basaltic rocks tell a tale of ancient glacial waterfalls.

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

You don't want to get caught in this trap--or do you?

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

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

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

Guns that have been defending San Francisco since 1904.

A ruined hotel with an unlucky history and an eerie present.

The longest burning light bulb in the world.

From the Difference Engine to the Cray-1, all under one roof.

This giant shopping mall still holds signs of its automotive past.

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

This quaint archive of the silent era preserves and pays homage to a seminal moment in film history.

Concrete strongholds stand guard over the Golden Gate.

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

A man-made island in scenic San Francisco Bay.

Relics of the 1894 Midwinter Exposition continue to delight visitors today.

Golden Gate Park's historic collection of plants.

A century and a half of research in the sciences and natural history, still going strong.

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

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