Jack Dykinga / Bryce Canyon National Park, Utah. Bristlecone pine clinging to the canyon rim at dawn, Bryce Canyon National Park, Utah, USA, January.

Jack Dykinga / Landscape of hoodoos in snow at sunrise, Bryce Canyon National Park, Utah, USA, January.

Jack Dykinga / Winter snow storms cause wind-blown drifting along the canyon rim, Bryce Canyon National Park, Utah, USA, January.

Jack Dykinga / Conifer tree branch covered in snow and frost from winter snow storm. Bryce Canyon National Park, Utah, USA, January.

Jack Dykinga / Inspiration point covered in snow, Bryce Canyon National Park, USA, January.

John Shaw / Pine tree (Pinus sp) in winter, Bryce Canyon National Park, Utah, USA, January.

Jack Dykinga / Rainbow over Long Canyon with fall coloured Cottonwood (Populus) trees against canyon walls, Burr Trail, Grand Staircase-Escalante National Monument, Utah, USA, October 2018.

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

Jack Dykinga / Navajo Sandstone formations with striated lines of mineral deposits. Grand Staircase-Escalante National Monument, Utah

Jack Dykinga / Morning light with autumn coloured Cottonwoods (Populus sp) trees lining the river. Valley of the Gods, Colorado Plateau, of the Great Basin Desert, Utah, USA, November 2018.

Jack Dykinga / Erosion sculpted 'pot-hole' with reflection of clouds at sunset, Muley Point, Cedar Mesa, Bears Ears National Monument, Utah, USA, October 2018.

John Shaw / Shoreline of Lake Powell, seen from Alstrom Point on Romana Mesa. Glen Canyon National Recreation Area, on the Arizona/Utah border, USA, January.

Marie Read / American avocets (Recurvirostra americana) two during aggressive (territorial) encounter, Bear River Migratory Bird Refuge, Utah, USA, May.

Marie Read / Black-necked stilts (Himantopus mexicanus) pair performing post-copulatory display (as copulation ends, the male slides off the female leaving his wings draped over her and crossing his bill with hers...

Jack Dykinga / Agave (Agave utahensis) close up of spines with Pinyon pine cone (Pinus edulis) wedged amongst them. Grand Canyon-Parashant National Monument, Arizona, USA

Jack Dykinga / Fremont cottonwood trees (Populus fremontii) with autumnal leaves, Coyote Gulch,Grand Staircase-Escalante National Monument, Utah, USA.

Jack Dykinga / Stevens Arch reflected in the amid sand bar ripples Escalante Canyon, Canyon National Recreation Area, Utah, USA

Jack Dykinga / Banded Navajo Sandstone slot canyon in the Escalante Canyon complex. Grand Staircase-Escalante National Monument, Utah, USA.

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.

Jack Dykinga / Cap-rocks on the rim of the Escalante Canyon at dawn. Grand Staircase-Escalante National Monument, Utah, USA, October 2012.

Jack Dykinga / Cottonwood (Populus fremontii) trees in autumn at sunset, forming a sinuous line of yellow trees. Deer Creek Canyon, Grand Staircase-Escalante National Monument, Utah, USA, October.

Jack Dykinga / Devils Garden, Grand Staircase-Escalante National Monument, eroded hoodoo sandstone formations. Utah

Jack Dykinga / Devils Garden, eroded hoodoo sandstone formations. Grand Staircase-Escalante National Monument, Utah, USA. October.

Jack Dykinga / Landscape of eroded sandstone rock formations, Grand Staircase-Escalante National Monument, Utah, USA, October 2013.

Jack Dykinga / Patterns in sandstone cliffs in Grand Staircase-Escalante National Monument, Utah, USA, October 2014.

Jack Dykinga / Ponderosa pine (Pinus ponderosa) growing in Grand Staircase-Escalante National Monument, Utah, October 2014.

Jack Dykinga / Hoodoo cap sandstone rock formations with milky way above and meteor shower, Escalante canyon walls, Grand Staircase- Escalante National Monument , Utah, USA, October.

Jack Dykinga / Devil's Garden 'Hoodoos', Entrada sandstone formations in afternoon light. Grand Staircase-Escalante National Monument. Utah, USA, October 2010.

Jack Dykinga / Ponderosa pine (Pinus ponderosa) against a star filled sky with a brilliant Milky Way. Zion National Park, Utah, USA, September.

Jack Dykinga / Douglas firs (Pseudotsuga menziesii) in 'Wall Street' Canyon. Bryce Canyon National Park, Utah, USA, October.

Jack Dykinga / Fallen Quaking aspen (Populus tremuloides) leaves on wood, autumn, Dixie National Forest, Utah, USA, October.

Floris van Breugel / Moqui Marbles adorn a sandstone plateau in Escalante National Monument, Utah, USA, October

Floris van Breugel / A diverse and natural array of Moqui Marbles on the slickrock landscape of Escalante National Monument, Utah, USA, October

Floris van Breugel / Moqui Marbles adorn a sandstone plateau in Escalante National Monument, Utah, USA, October

Juan Carlos Munoz / Toadstool shaped hoodoo a sunset, Grand Staircase-Escalante National Monument, Utah, USA, February 2015.

Juan Carlos Munoz / Aerial view of cliffs at the edge of Lake Powell, near Page, Arizona, on the Utah border, USA, February 2015. Lake Powell is a reservoir on the Colorado River, and is the second largest man made lake...

Juan Carlos Munoz / Aerial view of Lake Powell, near Page, Arizona and the Utah border, USA, February 2015. Lake Powell is a reservoir on the Colorado River, and is the second largest man made lake in the USA.

Juan Carlos Munoz / Aerial view of Lake Powell, near Page, Arizona and the Utah border, USA, February 2015. Lake Powell is a reservoir on the Colorado River, and is the second largest man made lake in the USA.

Jack Dykinga / Road winding through aspen trees (Populus tremuloides) in autumn, Dixie National Forest, Boulder Mountain, Utah. October 2013.

Jack Dykinga / Cottonwood (Populus fremontii) in autumn, Long Canyon, Grand Staircase-Escalante National Monument, Utah, USA. October 2013.

Charlie Summers / Clark's Grebe (Aechmophorus clarkii) with yawning chick riding on back, Bear River Refuge, Utah, July.

Floris van Breugel / Zebra Slot Canyon, Escalante National Monument, Utah, USA, November 2010.

John Cancalosi / Cross-Section of Utah Septarian Nodule, Utah. A type of geode, Utah Septarian Nodules are found about 15 miles east of Zion National park. They were formed in an ancient sea floor during the Cretaceou...

Jouan & Rius,Jouan Rius / Red Cliffs in Zion Canyon during winter, Zion National Park, Utah, USA December 2012

Jouan Rius / Sandstone formations in Goblin Valley State Park, Utah, USA November 2012

Jouan Rius / Sandstone cliff at sunset, Colorado Plateau, Kodachrome Basin State Park, Utah, USA November 2012