A monument to the one-armed geologist who led the first documented expeditions through the Grand Canyon.

See massive fossils that are over 200 million years old in northeastern Arizona.

A sharp bend in a dramatic river canyon cut through red rocks.

Most-visited and most-photographed slot canyon in the American Southwest.

Thousands of mounted insects, and some live ones, hide within an otherwise ordinary shopping mall.

This popular pitstop lives up to its name.

A frozen oasis lies beneath the scorching New Mexico desert.

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

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

This is one really big nut.

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

A museum dedicated to the alleged Roswell Incident.

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

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

Spectacular views await visitors to this lake.

This town is home to the world’s largest arch constructed entirely of elk antlers.

The largest hot spring in the United States is, as the name suggests, a stunning show of natural color.

One of nature's most well-scheduled phenomenons resides in Wyoming's Yellowstone National Park.

Eat like pre-Columbian Native Americans in this New Mexico restaurant within the Indian Pueblo Cultural Center.

This towering volcanic plug stands out among the dramatic formations that dot this otherworldly desert valley.

An antique horse-drawn hearse provided French luxury for the dead in this Texan town.

A 131-year-old wunderkammer of Texas history.

255 feet of suds, scrubbers, and blow dryers.

For over 75 years, this cute stone statue has warmed the hearts of San Antonio.