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

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

A psychedelic labyrinth on the San Francisco bay.

People of the Plum Bayou culture built these enormous mounds over 1,000 years ago.

An extravagant western hotel where every floor is the "ground floor."

This monumental Jesus is often referred to as "Our Milk Carton With Arms."

The final remnant of the Arkansas zinc industry is this historically protected ghost town.

This haunted hotel built on natural springs once served as a hospital for a quack doctor promising a cure for cancer.

A mysterious light floating in the trees of Arkansas may be a piezoelectric effect.

This futuristically sylvan church is a glass-enclosed marvel of modern architecture.

One of the best-preserved ghost towns in Arizona speaks to the difficulties of establishing mining towns in the 19th century American West.

This church on a Tohono O'Odham reservation has stood since 1797.

The world's only teal arches exist in a city that cares more about its aesthetic than an Instagram influencer.

Religious statues built because of one man's bargain with God fill this peaceful sculpture garden.

The unusual burial monument of Arizona's first governor.

For those going through a life transition, a place to leave behind a piece of your former self.

A mysterious "wedding cake" castle in the middle of the urban desert.

Collection of vintage trailers double as hotel rooms.

A motel dedicated to Southwestern nostalgia.

This golf ball–shaped former desert real estate office now houses a UFO museum.

A spiritual vortex among the red rocks in Sedona.

One of the largest, oldest, darkest, quietest motel rooms in the world.

A reproduction of earth's many biomes.

This 4,000-foot-diameter hole is touted as "the most well known, best preserved meteorite crater on Earth."