Jack Dykinga / Waterfall over sandstone with cottonwood tree, Long Canyon , Burr Trail, Grand Staircase-Escalante National Monument, Utah, USA. October.

Robert Valentic / Red-bellied Blacksnake (Pseudechis porphyriacus) basking on rock, Lerderderg Gorge, Victoria, Australia, February.

Steven David Miller / Rainbow lorikeet (Trichoglossus moluccanus) on a branch, Cania Gorge National Park, Queensland, Australia. September.

Ashley Cooper / Rainbow over water flowing out of the Karahnjukar dam and Halslon reservoir, a massive new controversial hydro electricity project in North East Iceland. It was created by damming the Jokuls a Dal riv...

Jack Dykinga / Indian paintbrush (Castilleja sp.) flowers amid boulders in a stream, in narrow canyon with conifers in background Grand Staircase-Escalante National Monument, Utah, USA.

Sam Hobson / Red fox (Vulpes vulpes) vixen in front of Clifton Suspension Bridge at night. Avon Gorge, Bristol, UK. March 2016.

Hougaard Malan / Waterfall over deep, narrow gorge. Magwa Falls, Pondoland, Eastern Cape, South Africa, June 2012.

Hougaard Malan / Waterfall over deep, narrow gorge. Magwa Falls, Pondoland, Eastern Cape, South Africa. June 2012.

Floris van Breugel / A view of Pony Tail falls with Devil's Club (Oplopanax horridus) leaves in the foreground in the Columbia River Gorge, Oregon, USA. July 2011.

Mike Potts / Echidna Gorge - the sun only gets into this very narrow slot canyon at midday, part of the Purnululu National Park (Bungle Bungles), Kimberly Region, Western Australia, July 2011

Peter Cairns / 2020VISION / River Affric flowing through a rocky gorge, Glen Affric National Nature Reserve, Scotland, UK, October 2012.

Bertie Gregory / 2020VISION / Adult female Peregrine falcon (Falco peregrinus) in flight over a road in the Avon Gorge, Bristol, England, UK, May.

Mark Hamblin / 2020VISION / River Tromie flowing through gorge in autumn woodland. Cairngorms National Park, Scotland, UK, March.

Mark Hamblin / 2020VISION / Stream running through wooded gorge. Abernethy NNR, Cairngorms National Park, Scotland, UK, September 2011. Did you know? Abernethy Forest is the largest remnant of the Ancient Caledonian Forest in...

Eric Baccega / Eroded rocks at summit of Gorge de la Jonte, Tarn, Causse, Cevennes, France.

Eric Baccega / Eroded rocks at summit of Gorge de la Jonte with Peyreleau village in the background. Tarn, Cause, Cavennes, France.

Eric Baccega / Peyreleau medieval village. Gorge de la Jonte, Causse, Cevennes, Massif Central, Ayeyron, France, September 2011.

Nigel Bean / Cheddar Gorge after snowfall. Somerset, UK, February 2009.

Jeff Vanuga / Grand Canyon of the Yellowstone and the Yellowstone River. Yellowstone National Park, Wyoming, USA, August 2009.

Konstantin Mikhailov / Alpine meadows with Caucasian scabious (Scabiosa caucasica) in Bezengi gorge, July, 3000m. W-C Caucasus, Kabardino-Balkarskiy nature reserve, Russia

Orsolya Haarberg / Dying Northern fulmar (Fulmarus glacialis) on the dark bottom of a deep gorge, Saefellsnes peninsula, Iceland, September 2010

Jerry Monkman / A kayaker plays in a hole in Tariffville Gorge on the Farmington River in Tariffville, Connecticut. Class III whitewater. May 2007. Model released.

Jouan & Rius / Kermit pool in Hancock gorge, Karijini National Park, Pilbara, Western Australia. August 2009

Jouan & Rius / Cascade flowing in Hancock gorge, Karijini National Park, Pilbara, Western Australia. August 2009

Angelo Gandolfi / Hiker with a cat in a pouch, Cares Gorge, Picos de Europa National Park, Cantabria, Spain. July 2008.

Angelo Gandolfi / Hikers in Cares Gorge, Picos de Europa National Park, Cantabria, Spain. July 2008.

Angelo Gandolfi / Cares Gorge, Picos de Europa National Park, Cantabria, Spain. July 2008.

Angelo Gandolfi / Hikers in Cares Gorge, Picos de Europa National Park, Cantabria, Spain. July 2008.

Angelo Gandolfi / Griffon Vulture (Gyps fulvus) landing on cliff at Hoz de Arbayun canyon, Pyrenees, Navarra, Spain.

Wild Wonders of Europe / Smit / River Danube flowing through the Iron Gate Gorge, on the border between Romania and Serbia, Djerdap National Park, Serbia, June 2009

Wild Wonders of Europe / Smit / Photographer, Ruben Smit, above the River Danube flowing through the Iron Gate Gorge, on the border between Romania and Serbia, Djerdap National Park, Serbia, June 2009

Wild Wonders of Europe / Smit / Low clouds over the River Danube flowing through the Iron Gate Gorge, Djerdap National Park, Serbia, June 2009 WWE BOOK PLATE.

Wild Wonders of Europe / Widstrand / Durat??iver flowing through a gorge, Hoces del Rio Durat??atural Park, Segovia, Spain, March 2009

Guy Edwardes / Stone fly (Leuctra fusca) on Alternate-leaved Golden Saxifrage (Chrysosplenium alternifolium) Zelske Jame, Skocjan Karst Gorge, Rakov Skocjan, Slovenia, April

Tim Laman / Aboriginal rock art with many human hands, at a site called "The Art Gallery", Carnarvon Gorge, Carnarvon National Park, Queensland, Australia

Martin Gabriel / Weltenburg Monastery and the River Danube Canyon / gorge, autumn, Bavaria, Germany, October 2008

Juan Manuel Borrero / Looking down into the gorge of Arbayun, Navarra, Spain

Juan Manuel Borrero / Looking down into the gorge of Arbayun, Navarra, Spain

Gavin Maxwell / Traditional huts in mountain landscape, Yarlung gorge, Tibet May 07. 'Wild China' series

Gavin Maxwell / Yarlung gorge, Tibet, May 07, 'Wild China' series Note - world's deepest gorge,

Fabio Liverani / Dead branch with water rushing past rocks, Gorropu gorge, Sardinia, Italy

Anup Shah / Aerial view of gorge, Hell's Gate NP, Great Rift Valley, Kenya

Juergen Freund / Boyd? Forest Dragon climbing tree {Hypsilurus boydii} Mossman Gorge, Queensland, Australia

Anup Shah / Hell's Gorge, Oldrgesaille, Olduvai, Serengeti National Park, Rift Valley, Tanzania.

Bernard Castelein / Mountains & gorge of Jhong Khola, tributary of Kali Gandanki river, Mustang, Nepal November 2004

David Noton / Abstract leaf detail - Mossman Gorge, Queensland, Australia

Yva Momatiuk & John Eastcott / Canoe on river in summer, Hudson River, Hudson Gorge Wilderness, New York