Mobsters came for a soak in the hot springs, and stayed for the illegal gambling and bootlegging.

Crystal hunters can dig for their own stones at this DIY mine in Arkansas’ quartz belt.

Two gushing waterfalls of hot spring water within a block of each other.

These aggressively sustainable art homes look like something out of 1970's science fiction.

A picturesque (all-natural!) beach in a landlocked state.

When ecosystems collide in the arid Southwest.

The worst road in Colorado is the main gateway to some of its highest peaks.

One woman's UFO-themed campground, complete with self-built energy vortexes, UFO-themed weddings, and magic bushes.

The private clubhouse for the members of the Academy of Magical Arts.

A "Titanic" superfan changed his name to Jack and set up this strange shrine to the blockbuster, complete with Korean food and Tarot readings.

A library of rare occult books in Los Angeles.

The abandoned zoo enclosures offer a perfect place to experience the other side of the bars.

A multi-storied adobe complex has been inhabited for more than a thousand years.

One of São Paulo's tight urban intersections has become a haven for graffiti artists ever since a single Batman started the trend.

Notorious artist squat renovated into legal studios.

The sign marks one of the endpoints to mainland Britain's longest overland travel route.

This single-track road rewards brave drivers with stunning Scottish scenery.

An abandoned town is hidden in Great Smoky Mountains National Park.

Mile-long cave system near Great Smoky Mountains.

Where the leftovers of love affairs can live on forever.

Inside this library, the history of Los Angeles is retold through a mural.

This Chase branch is an homage to Old Hollywood.

The second-largest cave chamber in the world was discovered in 1898 by a 16-year-old and a friend known as "Pothead."

A natural formation that resembles a camel resting in the New Mexico desert.