A lingering bit of Space Race nostalgia lies in the middle of the desert.

The world's largest flat-topped mountain.

Dedicated to the man who created the first radio wave communication system.

This little slice of old Jerusalem in Oklahoma is the evolution of a century-old passion play.

A peculiar forest that was handcrafted for government experiments.

American bison herd descending directly from a Bronx Zoo breeding program that saved the species from extinction.

Final resting place of Geronimo, Quanah Parker, and the first atomic gun ever fired.

This refurbished gas station is one of the oldest in Texas, located on the original Route 66.

The folks at the Devil's Rope Museum want you to get hooked on barbed wire history.

A multicolored mineral mound dribbles piping hot spring water right off the side of a highway.

This alpine statue of Jesus in Silverton is said to protect both miners and local economies.

This National Natural Landmark is one of the best examples of a “mass wasting” in the world.

Colorado’s second largest natural lake was created by a landslide.

A statue honoring Grand Junction local James Dalton Trumbo, writing from his favorite spot, his bathtub.

The site of the gruesome massacre—and maybe cannibalism—of five men, a tragedy that made Alferd Packer infamous.

A 90-foot-tall psychedelic "tree" on the side of the highway has baffled passersby for decades.

Come for the speed, leave in love with the desert.

This pristine World War II airfield gives a comprehensive look at atomic development and aviation history.

Small Nevada town embraced its designation as the "Armpit of America" with an Old Spice-sponsored festival.

This giant slab of driftwood marks the beginning of the Winnemucca to the Sea Highway.

A spectacular but little-known slot canyon in extreme northern Nevada, with sheer walls nearly 500 feet high and a perennial stream.

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

Along the Outback Scenic Byway, adjacent to hot springs, this human-made geothermal feature takes unexplained breaks.

This abandoned motel doesn't welcome guests anymore, but decay and a creepy atmosphere still call it home.