These photos were taken along the Hole in the Rock Road which is located in Southern Utah.
This gallery has images for Devil's Garden, Peek-a-Boo slot, Spooky slot, Zebra slot, Reflection Canyon (part of Lake Powell), Golden Cathedral, Dance Hall Rock, Sunset Arch, and Broken Bow Arch. The majority of photos were taken with a Canon 6D.
The Devil's Garden and Slot Canyon galleries can be found in other locations as well.