This ancient settlement contains some of the largest earthen mounds in North America.

This historic hotel on Bathhouse Row in Hot Springs National Park has a storied history of gangsters and baseball greats.

Sitting in the arguable birthplace of the Wild West, this museum holds the largest collection of bronco busting bric-a-brac in the world.

Collection of skeletal systems from the "world's leading supplier of osteological specimens."

A high-octane shrine to the greatest Texans who ever lived.

Continuing the tradition of the dime museum in style.

An ivy-covered arch bridge dedicated to Tejano music singer and legend Rosita Fernandez.

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

Some 2,000 carvings show this rare desert spring has been an oasis for travelers for over a thousand years.

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

A hotel with a rich Wild West history of miners and bootleggers.

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

Oddly shaped rock formation, misassociated with a nearby utopian community.

This raised bulls-eye visible from space was the subject of an intense geologic controversy.

The fifth-longest natural arch in the world, and the longest outside China.

Giant, natural amphitheaters made of delicate geological formations called "hoodoos."

Erosion and various mineral deposits give this striking canyon its distinct color and soft appearance.

The hike through a narrow river flanked by the 2,000-foot-tall walls of Zion Canyon is one of the best in the world.

Dramatic river bend surrounds a natural red-rocked pedestal.

Ancient pueblos built into the base of a natural canyon wall.

This historic national park is covered in the stunning ruins of red rock pueblos.

These elusive, isolated rodents evolved into a distinct, locally iconic subspecies.

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

"Only the devil could play golf here."