Weakly lit snowy rim, pine trees and hoodoos with cloudy sky, near Agua Canyon, Bryce Canyon National Park, Utah, United States of America, North America

Zuni Point at Grand Canyon South Rim in the clouds viewed from Moran Point, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America

Hoover Dam on the Colorado River forming the border between Arizona and Nevada, United States of America, North America

Landscape near Zion National Park, Utah, United States of America, North America

Light dusting of snow on the pines around the Virginia Cascades, Norris to Canyon Road, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America

View over the Waimea Canyon, Kauai, Hawaii, United States of America, Pacific

Foggy sunrise at Sunrise Point with snow, Bryce Canyon National Park, Utah, United States of America, North America

The towering cliffs of the Narrows in Zion National Park, Utah, United States of America, North America

Hoodoo rock formations in Bryce Canyon Amphitheater, Bryce Canyon National Park, Utah, United States of America, North America

Hoodoo rock formations from the Fairyland Trail, Bryce Canyon National Park, Utah, United States of America, North America

Hoodoo rock formations in Bryce Canyon Amphitheater, Bryce Canyon National Park, Utah, United States of America, North America

Glowing arch at Mesa Arch, Canyonlands National Park, Utah, United States of America, North America

The Wooden Shoe rock formation and stemless woollybase (Hymenoxys acaulis) at sunset, The Needles District, Canyonlands National Park, Utah, United States of America, North America

Orange clouds behind a butte at sunset, Canyon Country, Utah, United States of America, North America

Green River overlook, Island in the Sky, Canyonlands National Park, Utah, USA, North America

From Bright Angel Point, North Rim, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America

Backlit sandstone hoodoos in Bryce Amphitheater, Bryce Canyon National Park, Utah, United States of America, North America

Grand Canyon North Rim viewed from Roosevelt Point with Tritle Peak on the left and Atoko Point on the right, Gand Canyon, Arizona, United States of America, North Amerca

Bright Angel Point trail sign pointing the way to the overlook on Grand Canyon North Rim, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America

View of Hermit Canyon and Hermit Basin from the Boucher Trail at Grand Canyon with Pima Point on the upper left, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America

An adult male acorn woodpecker (Melanerpes formicivorous), Madera Canyon, southern Arizona, Arizona, United States of America, North America

An adult white-nosed coati (Nasua narica), at the Santa Rita Lodge in Madera Canyon, southern Arizona, Arizona, United States of America, North America

Blyde River Canyon Nature Reserve at sunrise, Mpumalanga, South Africa, Africa

Maletsunyane Falls, Lesotho, Africa

Western whiptail lizard, Aspidoscelis tigris, basking in the sun in Red Rock Canyon State Park, California, USA.

Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America

Sky Walk over the Grand Canyon and Colorado River, UNESCO World Heritage Site, Arizona, United States of America, North America

Sunset over Grand Canyon South Rim, UNESCO World Heritage Site, Arizona, United States of America, North America

Bryce Canyon National Park, Utah, United States of America, North America

Bryce Canyon National Park, Utah, United States of America, North America

Bryce Canyon National Park, Utah, United States of America, North America

Panorama of Upper Bear Canyon near Drake Arizona in the Prescott National Forest.

The Siq, a narrow canyon in the mountains, the entrance to the lost city of Petra, Petra, UNESCO World Heritage Site, Jordan, Middle East

View of the North Rim of Grand Canyon National Park from Bright Angel Point, UNESCO World Heritage Site, Arizona, United States of America, North America

Rafters above their boats on the Colorado River through the Grand Canyon, Arizona, United States of America, North America

View from Cape Royal, North Rim, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America

An adult female Costa's hummingbird (Calypte costae) feeding in Madera Canyon, southern Arizona, Arizona, United States of America, North America

Night photography at Blacktail Canyon, just before river mile 121, Grand Canyon National Park, Arizona, United States of America, North America

An adult desert collared lizard (Crotaphytus bicinctores), basking in Grand Canyon National Park, Arizona, United States of America, North America

An adult desert collared lizard (Crotaphytus bicinctores), basking in Grand Canyon National Park, Arizona, United States of America, North America

The Desert View Watchtower at Grand Canyon viewed from below the cliffs east of Navajo Point, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America

The Monastery of the Temptation, Jericho, West Bank, Israel

Grand Canyon along Hermit Road on sunny day, Grand Canyon National Park, Arizona, USA

Fire Canyon and Silica Dome, Valley of Fire State Park, Nevada, Western United States, USA

The snowy cliffs of Desert View Point on the left with the Palisades on the right at Grand Canyon National Park Arizona.

Ancient Indian ruins on a small rock island just right of center along the Palisades of the Desert at Grand Canyon Arizona.

A small waterfall near Kachina Bridge in Deer Canyon, Natural Bridges National Monument, Utah, United States of America, North America

A mountain biker in Titus Canyon in Death Valley National Park, California, United States of America, North America

Rocks lit by late afternoon sun with distant view in winter, Paria View, Bryce Canyon National Park, Utah, United States of America, North America

Landscape near Zion National Park, Utah, United States of America, North America

Gibbon Falls, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America

View of Bryce Canyon National Park at sunset, from Sunset Point, Utah, United States of America, North America

A view of Natural Bridge Canyon in Death Valley National Park, California, United States of America, North America

A view of the eastern portion of Death Valley National Park, California, United States of America, North America

Desert collared lizard (Crotaphytus bicinctores), Mosaic Canyon Trail, Death Valley National Park, California, United States of America, North America

Bryce Canyon Amphitheater from Bryce Point, Bryce Canyon National Park, Utah, United States of America, North America

Hoodoo rock formations in Bryce Canyon Amphitheater, Bryce Canyon National Park, Utah, United States of America, North America

Hoodoo rock formations in Bryce Canyon Amphitheater, Bryce Canyon National Park, Utah, United States of America, North America

Glowing arch at Mesa Arch, Canyonlands National Park, Utah, United States of America, North America

View over the canyonlands and the Colorado River from the Dead Horse State Park, Utah, United States of America, North America

Sign marking the Nankoweap Trail for the Saddle Mountain Wilderness that borders Grand Canyon National Park, Arizona, United States of America, North America

Grand Canyon from Navajo Point, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America

Desert view point over the Grand Canyon, UNESCO World Heritage Site, Arizona, United States of America, North America

Glen Canyon Dam on the Colorado River in northern Arizona with Lake Powell in the background, Arizona, United States of America, North America

The Weeping Rock, a huge overlook in the Zion National Park, Utah, United States of America, North America

Couple kayaking down the Colorado River, Castle Valley near Moab, Utah, United States of America, North America

Colorado River, Canyonlands National Park, Utah, United States of America, North America

Early sunrays shining on the pinnacles of the Bryce Canyon National Park, Utah, United States of America, North America

An adult female acorn woodpecker (Melanerpes formicivorous), Madera Canyon, southern Arizona, Arizona, United States of America, North America

An adult male broad-billed hummingbird (Cynanthus latirostris magicus), Madera Canyon, southern Arizona, Arizona, United States of America, North America

Mirror Lake in the Tenaya Canyon, Yosemite National Park, UNESCO World Heritage Site, California, United States of America, North America

View of rock formations and flora in Red Rock Canyon National Recreation Area, Las Vegas, Nevada, United States of America, North America

Marmitte dei Giganti canyon on the Metauro River, Fossombrone, Marche, Italy, Europe

West Rim, Grand Canyon and Colorado River, UNESCO World Heritage Site, Arizona, United States of America, North America

Sky Walk over the Grand Canyon and Colorado River, UNESCO World Heritage Site, Arizona, United States of America, North America

Panorama of Wilson Mountain and Wilson Canyon in Sedona, Arizona, United States of America, North America

Al Hajar Mountains (Oman Mountains) close to Jebel Shams Canyon, Oman, Middle East

Floating down the Colorado River, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America

View from Cape Royal Point of the north rim of Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America

View from Grandview Point, South Rim, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America

An adult red-spotted toad (Anaxyrus punctatus), basking in the sun in Grand Canyon National Park, Arizona, United States of America, North America

An adult ornate tree lizard (Urosaurus ornatu), basking in the sun in Grand Canyon National Park, Arizona, United States of America, North America

View from the end of a small box canyon on the west side of Lower Blue Mesa at Petrified Forest National Park Arizona.

Dusk over the Gravina River canyon and the floodlit Sassi di Matera old town, Matera, Basilicata, Italy, Europe

Caves in the cliff walls, used to store food by ancient Anasazi Indians, Canyon De Chelly National Monument, Arizona, United States of America, North America

Panorama view of the Junction between the north and south forks of Canyon De Chelly National Monument, with Dog Rock rock formation on the far left, Arizona, United States of America, North America

The meanders of the San Juan River viewed at twlight from the overlook in Goosenecks State Park near Mexican Hat, Utah, United States of America, North America

A steel picnic table near a cliff on the west side of Mohave Point at the Grand Canyon, UNESCO World Heritage Site, Arizona, United States of America, North America

Bryce Canyon from Sunset Point, Bryce Canyon National Park, Utah, United States of America, North America

Ruskeala, marble canyon, Karelia, Russia, Europe

Late afternoon sun lights lines of hoodoos at Sunset Point, Bryce Canyon National Park, Utah, United States of America, North America

Late afternoon sun lights hoodoos and cliffs with a cloudy sky in winter, near Sunset Point, Bryce Canyon National Park, Utah, United States of America, North America

Red Canyon in Dixie National Forest, Utah, United States of America, North America

Bryce Canyon National Park, Utah, United States of America, North America

Zion National Park, Utah, United States of America, North America

Zion National Park, Utah, United States of America, North America

Red Canyon in Dixie National Forest, Utah, United States of America, North America

View over the Waimea Canyon, Kauai, Hawaii, United States of America, Pacific

Thor's Hammer, Bryce Canyon National Park, Utah, United States of America, North America

View of Bear Mountain from Fay Canyon in Sedona, Arizona, United States of America, North America