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

A museum dedicated to the alleged Roswell Incident.

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

If you want to take a peek at Area 51, this is legally as close as you're going to get.

An eatery for UFO seekers on the Extraterrestrial Highway.

In the middle of an extremely unforgiving and desolate high desert is the most secret military facility in the world.

Mysterious meeting place for UFO hunters near Area 51.

Officially named the "Loneliest Road in America," this barren stretch of Nevada road offers almost nothing but sky and open fields.

The only structure left with direct ties to the Salem witchcraft trials of 1692.

The deepest lake in the United States, and once the site of epic destruction that lives on in legends.

A vertically floating hemlock controls the waves and weather at Crater Lake.

The famed architect designed this Minnesota gas station of the future with a lookout tower.

The history of the traveling carnival is remembered by this sprawling collection of vintage wagons, games, and rides.

The snowbirds here are circus sideshow performers.

This historic railroad hotel built from Kansas limestone was once the most popular hotels for traveling salesmen in the midwest.

This tiny old water tower once doubled as a makeshift jail.

This artsy public restroom is shaped like a giant john.

Self-built house and sculpture park where the creator can still be seen in a glass coffin.

A 20-foot-tall egg painted in a traditional Czech patterns by the Czech community in Wilson, Kansas.

A unique attraction and museum dedicated to exploring iconic roadside structures.

The awe-inspiring ship from the golden era of cruising has an incomparable history and a reputation as one of the world’s most haunted places.

The decaying adobe remains of an old homestead are just off the beaten path in Joshua Tree National Park.

The ghostly remains of an accidental sea.

Version of the French Riviera destroyed by the sea.