This fast-food outlet is the only space and UFO-themed McDonalds in the world.

A clear blue swimming hole with hidden caves, still unexplored.

A museum dedicated to the alleged Roswell Incident.

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

Seemingly grown on some other world, these New Mexico rock formations look like a disused science fiction set.

Explore the largest pure gypsum deposit in the world, and go dune sledding while you're at it.

One man has carved a number of natural New Mexico caves into psychedelic sandstone temples.

The land is full of geologic eye candy, such as otherworldly spires, mushroom-shaped hoodoos, and prehistoric fossils.

An immersive environment that is part haunted house, part choose-your-own-adventure, and part jungle gym.

Once home to more than 50 displays of freshwater fish.

This former tuberculosis treatment facility now stands at the center of a public park.

A tribute to one of the most famous cowboys on TV, and the consumerism that fueled his popularity.

The site of the worst mining disaster in Ohio's history.

An abandoned munitions factory with a shot tower continues to wage war on the surrounding environment.

Annual Easter display made up of thousands of hand-painted eggs.

Abandoned former poorhouse, bible college, and haunted house in an Ohio hamlet.

An office built to look like a giant basket.

A suspended garden, now gone, once hung in the middle of this abandoned church.

The tragic reality of a town riddled with rumors of haunts, chemical spills, and serial killers.

An abandoned relic of the city's failed experiment with below ground transit.

This former factory has deep ties to rubber production in Akron.

A former Canadian automobile ferry mysteriously appeared in the Black River 20 years ago, and now it quietly rusts away.

What started as a display of antique hearses has grown into a museum exploring the history of the funeral industry.

The headquarters of a pioneering cast iron and cast aluminum cookware company is in ruins, but still standing.