One of the first commercially successful anthracite-powered iron-making operations in North America.

The universally beloved children's television figure is interred on a high hilltop in one of western Pennsylvania's oldest cemeteries.

This permanent exhibition celebrates the finest of our heartless automatons both real and fictional.

An occult-y, historic hotel with the World's Largest Ouija board on the roof.

These tourist trap caverns are said to be the former home of a legendary Pennsylvania Hermit.

A Texas cave network is home to some of the world's most spectacular-looking and bizarrely named mineral formations.

The second largest roadrunner in the world stands 11 feet tall in his West Texas town.

Two massive and unstable sinkholes are yearning to unite, and their consummation could be catastrophic.

The outcropping is graffitied with the name of the beloved musical Muppet television series.

On the side of a remote mountain, a stone face bearing an inscription of mysterious origin.

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

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

A cave's rare beauty held a cavernous secret hidden underground.

A museum dedicated to the alleged Roswell Incident.

Twice a year, visitors can tour the desolate site that birthed the Atomic Age.

The house's confection-like decorations are the result of one man's painstaking work over decades.

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

This is one really big nut.

Home of the International Space Hall of Fame.

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

On the edge of the Valles Caldera National Preserve, these rock formations create an eerie landscape.

Its history includes dinosaur fossils, cattle rustlers, Georgia O'Keeffe, and a mythical giant rattlesnake named Vivaron.

Giant origami sculptures tucked into desert scenery beckon passers-by to explore further.

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