Jeff Foott / Full moon over Balanced Rock formation, Arches National Park, Utah

Jack Dykinga / Weathered and eroded monzogranite boulders balanced precariously, sunset, Joshua Tree National Park, Mojave Desert, California, USA

Jeff Foott / Balanced Rock formation, La Sal Mountains, Arches National Park, Utah

Jeff Foott / Full moon and Balanced Rock, Arches National Park, Utah

Jeff Foott / Western Juniper (Juniperus occidentalis) trees and Balanced Rock in winter, Arches National Park, Utah

Jeff Foott / Western Juniper (Juniperus occidentalis) trees and Balanced Rock in winter, Arches National Park, Utah

Jeff Foott / Full moon and Balanced Rock, Arches National Park, Utah

Jeff Foott / Western Juniper (Juniperus occidentalis) and sandstone formation, Balanced Rock, Arches National Park, Utah

Chase Dekker / Rock formations, Balanced Rock, Arches National Park, Utah

Jack Dykinga / Balanced rock hoodoo in Echo Canyon silhouetted against the rising Milk Way. Chiricahua National Monument, Arizona, USA, April.

Jack Dykinga / Balanced rock hoodoo in Echo Canyon in sunset light, Chiricahua National Monument, Arizona, USA, April 2018.

Jack Dykinga / Balanced rock hoodoo in Echo Canyon in sunset light, Chiricahua National Monument, Arizona, USA, April 2018.

Jack Dykinga / Balanced rock hoodoo in Echo Canyon silhouetted against the rising Milk Way. Chiricahua National Monument, Arizona, USA. April.

Jack Dykinga / Cape Royal at sunset, with balanced rock in the foreground, and Wotan's Throne, Grand Canyon National Park, Arizona, USa.

Mark Taylor / Rock pinnacles with balanced stones. Ciudad del Encanto, Bolivia. December 2016.

Kevin Schafer / Rock formation called Balanced Rock, Chiricahua National Monument, Arizona

Tim Fitzharris / Common Raven (Corvus corax) pair flying over Balanced Rock formation, Arches National Park, Utah

Erlend Haarberg / Kannesteinen Rock, near Maloy, Kvalheimsvika, Nordfjord, Sogn og fjordane, Norway. January 2012

Jack Dykinga / Balanced Rock in the Grapevine Hills at dawn, Big Bend National Park, Texas, USA.

Kevin Schafer / Balanced Rock, Twin Falls, Idaho

Jouan Rius / Balanced Rock, Glen Canyon National Recreation Area, Arizona, USA.

Jouan Rius / Balanced Rock, Glen Canyon National Recreation Area, Arizona, USA, December 2012.

Jouan Rius / Balanced Rock at sunset, Arches National Park, Utah, USA November 2012

Jouan Rius / Balanced Rock, Arches National Park, Utah, USA

Jouan Rius / Balanced Rock, Arches National Park, Utah, USA November 2012

Jouan Rius / Balanced Rock, Arches National Park, Utah, USA November 2012

Jouan Rius / Balanced Rock, Arches National Park, Utah, USA November 2012

Kirkendall-Spring / Rock formation 'Balanced Rock'. Arches national Park, Utah, October 2012.

Jack Dykinga / Brilliant storm sunset over the boulders at 'Balanced Rock' illuminating the sky over the Salt Valley Wash, Utah, USA

Jack Dykinga / Storm clouds over Balanced Rock, Arches National Park in sunset light, Utah, USA

Jack Dykinga / Broken fossilized tree sections balanced on clay pedestals in sunset light, Petrified Forest National Park, Arizona, USA

Rob Tilley / Moon rising over balanced rock, Arches NP, Utah, USA, January 2008

Rob Tilley / Moon rising over balanced rock, Arches NP, Utah, USA, January 2008

Rob Tilley / Moon rising over balanced rock, Arches NP, Utah, USA, January 2008

Kirkendall-Spring / A balanced rock near the Tower of Babel in Arches National Park, Utah, USA.

Tim Fitzharris / Utah Juniper (Juniperus osteosperma) and Balanced Rock, Arches National Park, Utah

Tim Fitzharris / Moon over Balanced Rock, Arches National Park, Utah

Tim Fitzharris / La Sal Mountains and Balanced Rock, Arches National Park, Utah

Rob Tilley / Balanced Rock, Arches NP, Utah, USA

Rob Tilley / Balanced Rock, Arches NP, Utah, USA

Rob Tilley / Moonrise over Balanced Rock, Arches NP, UT, USA

Rob Tilley / Moonrise over Balanced Rock, Arches NP, Utah, USA

Tim Fitzharris / El Capitan and Balanced Rock, Guadalupe Mountains National Park, Texas

Tim Fitzharris / El Capitan and Balanced Rock, Guadalupe Mountains National Park, Texas

David Noton / Balanced Rock, Arches National Park, Utah, USA

David Noton / Balanced Rock, Arches National Park, Utah, USA

Tim Fitzharris / Balanced rock, Guadalupe Mountains, Texas

Tim Fitzharris / Balanced rocks, Guadalupe Mountain National Park, Texas

David Noton / Balanced rock, snow covered La Sal mountains in background, Arches NP, Utah, USA

Tim Fitzharris / Balanced rock under cloudy skies, Arches National Park, Utah

Tim Fitzharris / Balanced rock in the Grapevine Mountains, Big Bend National Park, Texas

David Noton / Juniper tree growing in Balanced Rock Arches National Park, Utah, USA, North America

Pete Cairns / Balanced rock sandstone formation in Arches NP, Utah, USA

Gavin Hellier / 'Balanced Rock' and the La Sal mountains, Arches NP, Utah, USA

Jeff Foott / Balanced Rock, Turret Arch, La Sal Mountains, Arches National Park, Utah

Jeff Foott / Balanced Rock in winter, Arches National Park, Utah

Jeff Foott / Balanced Rock with Turret Arch and La Sal Mountains, Arches National Park, Utah

Jeff Foott / Full moon and Balanced Rock, Arches National Park, Utah

Jeff Foott / Balanced Rock at sunset in winter, Arches National Park, Utah

Jeff Foott / Balanced Rock at sunset in winter, Arches National Park, Utah

Jeff Foott / Rock formations in winter, Balanced Rock, Arches National Park, Utah

Chase Dekker / Rock formations, Balanced Rock, Arches National Park, Utah

Kevin Schafer / Rock formation called Balanced Rock, Chiricahua National Monument, Arizona

Jeff Foott / Rock formation and full moon, Balanced Rock, Arches National Park, Utah

Jeff Foott / Rock formation and full moon, Balanced Rock, Arches National Park, Utah

Jeff Foott / Sign indicating rock formation, Balanced Rock, Arches National Park, Utah

Tim Fitzharris / Balanced rock, Grapevine Mountains, Big Bend National Park, Texas

Tim Fitzharris / Balanced Rock and La Sal Mountains, Arches National Park, Utah