An old-timey peepshow allows visitors to gawk at some of the world's most freakishly large footwear.

Limestone caves with spectacular showcase chambers.

Legend says train robbers stashed their gold within the depths of this unusual cave.

One of the largest free-standing structures ever built, this dirigible hangar is now simply a giant skeleton.

A giant can of fruit cocktail is all that remains of what was once the world's largest cannery.

Equal parts record-breaking temple to consumerism and bizarre fun park, it's more than you think it is...

A toweringly silly piece of modern art has been delighting locals since the 1980s.

Home to the Amorphophallus titanum "Corpse Flower," which is among the largest flowers in the world and also smells powerfully of rotting flesh when in bloom.

Neither Spanish settlers nor anyone since has been able to tell who built these strange California rock walls.

Thousands of crosses and markers for soldiers who lost their lives in Iraq and Afghanistan blanket a California hillside.

Standing in for the first ship to navigate the Northwest Passage.

Home to one of the world’s largest collections of model yachts.

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

The Flatiron Building's storied West Coast cousin is a lot more into religion.

An art collective teaching the more fiery, metal-y art forms.

The newsstand that never closes its doors—well, almost never.

An abandoned convention space that has been left to the homeless and the radical.

With statues of Nelson Mandela and Harvey Milk this monument has been called the Mount Rushmore of California.

A crumbling Beaux Arts monument to the Bay Area's age of rail.

International delicatessen has been owned and operated by the same family for more than 110 years.

This Oakland fairytale kingdom, fiercely devoted to childlike whimsy, was an early inspiration for Disneyland.

Dive bar built out of the remains of a whaling ship.

Floating man-made island and upscale restaurant.

This shop specializes in oddities and Victorian-inspired wonders.