Jack Dykinga / Winter snow storms cause wind-blown drifting along the canyon rim, 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 / Landscape of wind blown snow and canyons at dawn. Inspiration point, Bryce Canyon National Park, Utah, USA, January.

Jack Dykinga / Landscape of wind blown snow and canyons at dawn. Inspiration point, Bryce Canyon National Park, Utah, USA, January.

Tim Fitzharris / Wind Canyon, Theodore Roosevelt National Park, North Dakota

Tim Fitzharris / Little Missouri River winding through Wind Canyon, Theodore Roosevelt National Park, North Dakota

Tim Fitzharris / Little Missouri River winding through Wind Canyon, Theodore Roosevelt National Park, North Dakota

David Welling / Buckskin sandstone formations at sunrise, Paria Canyon, Utah, USA

Yva Momatiuk & John Eastcott / California Condor (Gymnogyps californianus) adult perched on canyon wall drying wings, with radio transmitter attached, Marble Canyon, Arizona

Gerry Ellis / Wind sculpted Colorado sandstone, Paria Canyon, Vermilion Cliffs Wilderness, Arizona

Tim Fitzharris / Little Missouri River in Wind Canyon, Theodore Roosevelt National Park, North Dakota

Jack Dykinga / Wind sculpted petrified sand dune (sandstone) bands at sunset, Paria Canyon-Vermilion Cliffs Wilderness, Arizona, USA.