This massive library holds what was once the largest book collection in the world.

A model of a galactic embassy is hidden in plain sight along the highway, proposed by a UFO religion to find the aliens that created life on Earth.

The only thing stranger than stumbling onto these philosophical musings is the story of the homesteader who created them.

This desert oddity hides in plain sight thanks to a cartographic error and a desert explorer with a punny sense of humor.

An old California photo stand has been turned into a shrine to the cozy art of crochet.

Mediums from a psychic utopian community lead a trippy VR journey on a parked desert bus.

World's largest collection of serial killer artwork and other macabre exhibits.

Delve into a wealth of oddities, antiques, and taxidermy treasures.

Furniture tries to escape an abandoned building in San Francisco.

This residential door allows San Francisco muggles a glimpse at the wizarding world.

This one-block alleyway is stuffed with street art that is colorful, cultural, and intensely political.

An enormous illuminated figure dances on the Las Vegas strip.

Alleyway plaque commemorating the death of a fictional character in The Maltese Falcon, not far from the author's home.

Tenacious mummies survived dental problems, eternal entombment, and more than their fair share of devastating fires.

Gold Rush-era tombstones line the park's paths.

The giant pair of sexy legs sticking out the window of this costume store have become its main draw.

The stones that traveled from Spain to eventually become a holy place for San Francisco's nature worshippers.

An essential stop before plundering, BYO Cutlass.

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

This shop specializes in oddities and Victorian-inspired wonders.

A psychedelic labyrinth on the San Francisco bay.

An artsy hidden staircase leads to breathtaking views of San Francisco.