A one-of-a-kind collection of a unique medium.

High on a hill overlooking Los Angeles lives a world famous, high power conical Tesla Coil.

A psychedelic labyrinth on the San Francisco bay.

Non-profit time travel mart sells goods you would need for a trip through the fourth dimension.

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

Bring your own cardboard to the slippery slopes of concrete hidden in a neighborhood park.

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

A huge musical instrument played by the ocean.

An abandoned 1920s school with a mysterious history.

A particularly creepy abandoned hospital that sparks interest for lovers of the supernatural.

An impressive collection is dedicated to the legendary beast.

One of the world's largest automobile junkyards is a unique landscape of metal and moss.

A bizarre roadside attraction and the first instance of miniature golf in the world.

This quirky curiosity shop takes its cues from the world's bazaars.

A colorful square marks the heart of the city's LGBTQ community.

An underground magnet for ever-changing street art.

Scattered around Atlanta are little doors with big charm.

This massive store is home to an eccentric collection of vintage, retro, and peculiar goods.

Hidden beneath the famous St. Peter's Basilica is a veritable city of the dead that may hold the remains of St. Peter himself.

Rome's semi-secret peephole vista is also a former Crusader stronghold.

The earliest known map to show America, discovered by accident at a Paris bookshop.

Abandoned for decades, trains still pass through the now-restored remains of one of Madrid's first metro stations.

An elaborate gift from Claus Spreckels is now a piece of San Francisco history.

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