This former mining town was named the most toxic town in America.

Three markers installed over the course of 140 years mark the point where Arkansas, Missouri, and Oklahoma converge.

These springs were once the source of a tourism boom to Sulphur Springs.

This mill has survived a tumultuous past to still produce flour and cornmeal.

One of the oldest show caves in Arkansas.

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

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

This century-old roadside attraction is full of bizarre rock formations.

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

A hillbilly theme park that proved so unpopular the land wouldn't even sell on eBay after it closed.

This volcano rises like a giant anthill from the plains below, with a road spiraling up to the rim.

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

Hidden in the New Mexico desert southeast of Roswell, nine small deep lakes formed inside sinkholes.

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

Some of the Old West's most notorious outlaws frequented this mining town.

The state bird of New Mexico, constructed entirely out of garbage.

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

This is one really big nut.

The site of Billy the Kid’s most famous escape and the end to the Lincoln County War.

In a largely deserted ghost town, a little brick building recalls its history as a gold rush hub and haven for outlaws.

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

Twenty-seven massive radio antennas on the high plains of New Mexico search for life on other planets.

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

America's only nuclear missile silo open to the public.