Belly up to the bar in Cowtown, don't forget to buy some boots.

An enormous pink granite batholith, long attributed with spiritual powers by the Tonkawa Indians.

Old batteries and frog skeletons reside in this lakeside monument to Alessandro Volta.

Three hundred years of preserved Spanish colonial history in San Antonio.

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

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

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

These towering cliffs crystalize each winter, forming sheer walls of ice that are open for climbing.

This spectacular track has run continuously since 1882.

A museum dedicated to the alleged Roswell Incident.

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

The world's longest known cave system.

The remains of this visionary community can still be found much as it was a century ago.

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

The highest bridge in America was built for an almost unnervingly small amount of money.

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

The remains of Abó, Gran Quivera, and Qurai are monuments to the long, complicated history of the Indigenous people of the Southwest.

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

High in the Sacramento Mountains, a facility dedicated to studying the sun.

This cheery fruit farmer welcomes visitors to a classic roadside emporium.

A Texas museum filled with Broncos and Betties.

A collection of massive stacked rocks in Texas includes a snarky note on the benefits of modern technology.

Welcome to a starkly beautiful sanctuary where the buffalo roam.

The Grand Canyon of Texas.