Palo Duro Canyon - Near Amarillo, Texas

This is a beautiful canyon with roads through it.. no Mule rides needed here. It is often referred to as "The Grand Canyon of Texas". Here is a link to the canyon home page.
Pentax K5, f/6.3 1/250s ISO 200 DA* 16-50mm    RAW file developed in Lightroom 4.1 - final post work completed in Photoshop CS6