This Cold War missile launch site has been abandoned for 40 years.

Perhaps the world's only gas station inspired by a political scandal.

In Washington's Yakima Valley lies a town "where dinosaurs roam."

The strange phenomenon causing gravity to "work backwards" on this hill has been blamed on the paranormal.

The fossilized remains of ancient California redwoods.

This historic California cemetery holds the bodies of veterans of both the Civil War and the Donner Party.

The largest drain hole in the world.

The unedited photograph called "Bliss" has graced the screens of over a billion computers.

A speck of nature and art in one of San Francisco’s most notorious neighborhoods.

The only visible piece of San Francisco's most famous shipwreck.

With the touch of a button, you can read a randomly selected short story.

Gold Rush ship-turned-hotel buried underneath San Francisco's financial district.

Longtime headquarters of controversial boys' club for the world's wealthiest and most powerful.

A Barbary Coast watering hole built into a Gold Rush shipwreck.

A tiny theater hidden in an alley plays a constant stream of short silent films for anyone willing to peer through the peephole.

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

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

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

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

There is no trying to fall in love with this Star Wars fountain, you just do or do not.

This shop specializes in oddities and Victorian-inspired wonders.

A winding path built in secret on the edge of the continent.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

A huge musical instrument played by the ocean.