Jeff Foott / Rock formation, Metate Arch, Devil's Garden, Grand Staircase-Escalante National Monument, Utah

Tim Fitzharris / Natural arch, Devil's Arch, Red Rock-Secret Mountain Wilderness, Arizona

Tim Fitzharris / Natural arch, Devil's Arch, Red Rock-Secret Mountain Wilderness, Arizona

Jack Dykinga / Metate Arch in Devil's Garden, Grand Staircase-Escalante National Monument, Utah, USA. October 2013.

Angelo Gandolfi / A masonry arch "Devil's Bridge" of ancient Roman Etruscan origin. Vulci archaeological and nature park, Lazio, Italy. March 2009

Jose B. Ruiz / Devil's Arch, Roman aquaduct, Tarragona, Spain, Europe

Jeff Foott / Rock formation, Metate Arch, Devil's Garden, Grand Staircase-Escalante National Monument, Utah

Jeff Foott / Metate Arch, Devil's Garden, Grand Staircase-Escalante National Monument, Utah

Jeff Foott / Pinon Pine (Pinus edulis) and Bentonite Hills, Metate Arch, Devil's Garden, Grand Staircase-Escalante National Monument, Utah

Tom Vezo / Devil's Bridge, Sedona, Arizona

Tim Fitzharris / Metate Arch, Devil's Garden, Utah