Named for the 39 tribes that live in Oklahoma, this restaurant's menu deliciously highlights local flavors.

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

A blacklight journey through a celestial art exhibit.

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

Don't get it twisted: This is the oldest pretzel bakery in the United States.

Once on display alongside a giant Gumby, it’s as tall as a nine-story building when fully extended.

A fitting attraction for the corn capital of the world.

A six-ton, 12-foot-tall concrete prairie dog is touted as the largest in the world.

The granddaddy of all tourist traps, built on ice water, jackalopes, and a giant dinosaur.

The world's largest mountain carving could fit all of Mount Rushmore inside it many times over.

The first declared National Monument in the United States.

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.

A beautiful geyser under environmental threat.

A small Wyoming town is home to the state's oldest-operating soda fountain.

When ecosystems collide in the arid Southwest.

Once in disrepair, this popular Texas stop along iconic Route 66 has been restored to its past glory.

This water tower slanted at an uncomfortable angle off the old Route 66 was an ingenious marketing ploy.

A sculpture made of 10 Cadillacs as a monument to the “Golden Age” of the American automobile.

This volcano rises like a giant anthill from the plains below, with a road spiraling up to the rim.

These ruins of a pre-Columbian cliff village are among the most beautiful and well preserved in New Mexico.

This fast-food outlet is the only space and UFO-themed McDonalds in the world.

A museum dedicated to the alleged Roswell Incident.

This unusually circular centenarian barn became a Route 66 icon.