Part of a secret 1970s nuclear defense program is now open to the public.

The remnants of an early American attempt at missile defense.

This quirky hot springs town known to locals as "T or C" was named after a radio show.

A wealth of pop culture statuary and green chile dishes give this roadside restaurant clout.

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

The winter home of thousands of beautiful snow geese and sandhill cranes.

Thousands of pieces of art have been carved into the rock at the site of an ancient volcanic eruption.

A phenomenal assembly of pueblos in New Mexico is the most complete example of ancient ruins north of the border.

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

The hallowed remains of a 900-year old Ancestral Pueblo great house.

Legends surround this jagged rock formation in the New Mexico desert.

The ancient dwellings of the Puebloans, located in the cliffs of majestic mesas.

A breathtaking array of ancient Pueblo structures and artifacts counterintuitively preserved by neglect.

This otherwise unremarkable ski town building marks the site of Butch Cassidy's first robbery.

Colorado's only true geyser is hidden within the San Juan National Forest.

A gothic palace of endless stalagmites and pseudoscorpions waits within one of the world's most beautiful caves.

The current Eureka County Courthouse replaced an all-wooden structure that had previously been an ice-skating rink.

This central Nevada cave is the spiritual home of ancient and enigmatic pictographs.

US-50 in Nevada is known as "the Loneliest Road in America," but this earlier iteration of the route is even lonelier.

The Wonder Road aka Doobie Lane, a mile-long strip of dirt road filled with folk art.

A unique solar-powered pottery studio and gallery in the desert.

A collision of human error and natural geothermal pressure created this rainbow-colored geologic wonder.

An internationally-recognized dark sky sanctuary lies in northern Nevada, near the Oregon line.

One of the largest wildlife refuges in the contiguous 48 states, it was instrumental in preserving the pronghorn antelope from extinction.