During prohibition, corrupt city officials ran drinking dens under the streets of Downtown Los Angeles.

A hospital closed seemingly in the middle of operations, leaving behind fodder for horror films and ghost hunters.

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.

Three vintage horses survived a 1976 inferno and found a home on a sister carousel.

A theme park that suffered massive flooding during Katrina was abandoned, and now proves irresistible to trespassing explorers.

Carnivorous plants, medieval aphrodisiacs, and the largest original wood structure glass conservatory in the western hemisphere.

This shop specializes in oddities and Victorian-inspired wonders.

A still functioning vaudeville carousel that has operated for over a century boasts a colorful menagerie and past.

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

Appropriation-friendly collection of books, periodicals, and more.

A nondescript building that's been functioning as a speakeasy for nearly a century and a half.

The old Niles Canyon Aqueduct in the San Francisco Bay Area is a bemusing and secret trail through nature for wayward travelers.

Marta Becket's hand-painted theater in the desert.

Learn about Iceland's hidden folk at this school dedicated to the study of elves.

Walk in the footsteps of the gods and straddle two tectonic plates.

Medicinal spa created with the discharge from a geothermal energy plant.