Palo Duro Canyon
Wow Factor: At 120 miles long, 20 miles wide, and 800 feet deep, it's the second largest canyon in the U.S., with "painted" canyon walls and intricate formations.
You'll Love If: You dream of being in a Western.
Explore It: Take a horseback ride through the Prairie Dog Town Fork of the Red River to see Spanish Skirt formations and a view of Sad Monkey Peak, named for the shape of the peak's cap rock ($35). oldweststables.com