Storm clouds build in the sky above the Moab Maiden petroglyph and Tombstones above Kane Creek near Moab, Utah.

The Tower of Babel appears to emerge from a sandstone wave below a cloudy sky in the Courthouse Towers area of Arches National Park near Moab, Utah.

A large cottonwood tree bearing yellow autumn leaves stands before a sandstone cliff and an ephemeral waterfall near Moab, Utah.

Interesting and colorful clouds linger in the sky above fins of the Fiery Furnace and La Sal Mountains on a chilly winter day in Arches National Park near Moab, Utah.

A twisted juniper tree near the Fiery Furnace stands watch over the landscape as storm light strikes the La Sal Mountains near Moab, Utah.

The graceful span of Tower Arch frames a colorful sunset sky and rugged sandstone formations in the Klondike Bluffs area of Arches National Park near Moab, Utah.

A powerful evening storm broods in the sky above the La Sal Mountains and Canyonlands viewed from a high perch at Shafer Canyon Overlook in Canyonlands National Park near Moab, Utah.

Fall and winter collide in Mill Creek Canyon as fresh snow blankets the ground around colorful autumn foliage below the La Sal Mountains and a moody sky near Moab, Utah.

Sunset storm light warms Delicate Arch seen through Frame Arch on a cold winter evening in Arches National Park near Moab, Utah.

The graceful span of Tower Arch frames a colorful sunset sky and rugged sandstone formations in the Klondike Bluffs area of Arches National Park near Moab, Utah.

Alpenglow light gently washes over the sandstone landscape at Delicate Arch below a pink sunset sky on a cold winter evening in Arches National Park near Moab, Utah.

As the sun creeps below sandstone cliffs above Courthouse House, a sunburst forms and brilliantly paints the desert landscape and mules ear wildflowers in warm hues at Arches National Park near Moab, Utah.

An assortment of fall foliage frames a small waterfall that formed during a rainstorm in a canyon near Moab, Utah.

A winter squall approaches Balanced Rock in late afternoon at Arches National Park near Moab, Utah.

The Garden of Eden bathes in rich sunset light beneath a stormy sky turned pink and blue in Arches National Park near Moab, Utah.

Sandstone towers and pink cotton candy clouds reflect in a pothole at sunset in the Garden of Eden in Arches National Park near Moab, Utah.

Sandstone towers and pink cotton candy clouds reflect in a pothole at sunset in the Garden of Eden in Arches National Park near Moab, Utah.

Colorful sunset clouds dance in the sky behind Happy Turk Hoodoo on a winter evening near Moab, Utah.

A winter squall approaches the sunlit sandstone features of the Windows Area in Arches National Park near Moab, Utah.

Dramatic light and a stormy sky combine to offer an impressive sunset display at Balanced Rock in Arches National Park near Moab, Utah.

A vibrant sunset fills the sky above Monitor and Merrimac Buttes near Moab, Utah.

A stately autumn cottonwood stands before sandstone cliffs and below a moody sky near Moab, Utah.

Colorful sunset clouds dance in the sky behind Happy Turk Hoodoo on a winter evening near Moab, Utah.

A golden single leaf ash anchors a scene of yellow cottonwood trees in Sevenmile Canyon below the Monitor and Merrimac Buttes during an autumn sunrise near Moab, Utah.

Sunset paints clouds in pastel shades on a winter evening at Wilson Arch near Moab, Utah.

Monsoon clouds glow at sunrise in the skies above the Colorado River and Dead Horse Point State Park near Moab, Utah.

The moon rises behind a weathered pinyon pine improbably sprouting from a crack in sandstone near Moab, Utah.

Clouds burst with color as an evening thunderstorm clears at Balanced Rock in Arches National Park near Moab, Utah.

A monsoon thunderstorm builds in the skies above the Colorado River viewed from Dead Horse Point State Park near Moab, Utah.

A twisted juniper tree overlooks the Colorado River at sunrise from a cliffside perch at Dead Horse Point State Park near Moab, Utah.

Slickrock potholes filled with water following an afternoon monsoon thunderstorm and storm light on Balanced Rock and the La Sal Mountains in Arches National Park near Moab, Utah.

A dramatic sky filled with clouds catching sunset light above canyons at Dead Horse Point State Park near Moab, Utah.

A dramatic sky filled with clouds catching sunset light above canyons at Dead Horse Point State Park near Moab, Utah.

Cove Arch frames the backside of Double Arch at sunset on a summer evening in Arches National Park near Moab, Utah.

Freshly fallen snow drapes the landscape surrounding Balanced Rock at sunset in Arches National Park near Moab, Utah.

The North and South Window, collectively known as The Spectacles, reflect in a rainwater filled pothole at sunrise in the Windows area of Arches National Park near Moab, Utah.

Sunrise illuminates sandstone towers of Park Avenue reflecting in a rainwater filled pothole below puffy clouds near Courthouse Towers in Arches National Park in Moab, Utah.

Warm sunset light bathes sandstone fins below the snowcapped La Sal Mountains in Moab, Utah.

A weathered branch breaks up a reflection of The Organ in a rainwater filled pothole in the Courthouse Towers area of Arches National Park near Moab, Utah.

Pink and blue clouds fill the sky at sunset above Skyline Arch in Arches National Park near Moab, Utah.

Sunrise illuminates sandstone towers of Park Avenue reflecting in a rainwater filled pothole below puffy clouds near Courthouse Towers in Arches National Park in Moab, Utah.

Pastel sunset sky in shades of blue and pink behind a remote sandstone toadstool near Moab, Utah.

Radiant sunset light falls on Corona Arch on a chilly winter afternoon below a dark, storm sky near Moab, Utah.

The setting sun bursts through Baby Arch in the Courthouse Towers area of Arches National Park near Moab, Utah.

Radiant sunset light falls on Corona Arch on a chilly winter afternoon below a dark, storm sky near Moab, Utah.

Rainwater filled potholes in Park Avenue lead to the Courthouse Towers area of Arches National Park in Moab, Utah.

Radiant sunset light falls on Corona Arch on a chilly winter afternoon below a dark, storm sky near Moab, Utah.

The Organ reflects in a pothole filled with rainwater following an overnight storm in Arches National Park near Moab, Utah.

The Three Gossips reflect in a rainwater filled pothole in early morning following a storm at Arches National Park near Moab, Utah.

A long exposure captures the movement of clouds above Nefertiti's Head in the Park Avenue area of Arches National Park near Moab, Utah.

Nefertiti's Head and a juniper tree stand before a colorful sunset sky at the Park Avenue area of Arches National Park near Moab, Utah.

Reflected light paints Sand Dune Arch with a warm glow on a spring morning in Arches National Park near Moab, Utah.

The moon rises through clouds above Balanced Rock and the La Sal Mountains in Arches National Park near Moab, Utah.

An afternoon storm clears over the La Sal Mountains and the Garden of Eden in Arches National Park near Moab, Utah.

Fresh snow blankets Haystack Mountain presiding over a colorful autumn landscape in the La Sal Mountains near Moab, Utah.

Late afternoon sunlight streams through storm clouds to illuminate the dramatic landscape below Marlboro Point near Moab, Utah.

Professor Creek threads through the desert as storm clouds hang in the sky above the La Sal Mountains and autumn cottonwood trees near Moab, Utah.

A juniper tree snag frames the impressive span of Skyline Arch on a moody afternoon in Arches National Park near Moab, Utah.

Water in the Delta Pool ripples with the wind on a warm evening near Moab, Utah.

Warm sunset light falls on multi-layerd sandstone, Merrimac Butte and Courthouse Rock on a summer afternoon near Moab, Utah.

The vibrant leaves of autumn cottonwood trees clash with a dark, heavy sky above Professor Valley near Moab, Utah.

A subtle glow settles into Shafer Canyon at sunset near Moab, Utah.

A summer thunderstorm passes through the Garden of Eden in Arches National Park, Utah.

Chimney Rock is spotlighted by sun breaking through clouds above a sand dune brimming with wildflowers near Fossil Point in Moab, Utah.

Sunset illuminates rain fingers above the Moab Rim and colorful autumn aspen trees from a viewpoint high in the La Sal Mountains near Moab, Utah.

Landscape Arch reflects in an ephemral pool of rainwater collected in a shallow pothole in the Devil's Garden area of Arches National Park, Utah.

The Organ reflects in a rainwater filled pothole as a morning storm clears in the Courthouse Towers area of Arches National Park, Utah.

Clouds explode with color at sunset above a hoodoo in Herdina Park in Arches National Park, Utah.

A spring thunderstorm clears at sunrise as The Organ and Three Gossips reflect in a pothole filled with rainwater in the Courthouse Towers area of Arches National Park, Utah.

Beams of sunlight streak through clouds in the sky above Washer Woman Arch, Monster Tower and Airport Tower in the Island in the Sky District of Canyonlands National Park, Utah.

A spring storm dissipates as sunset light warms the sandstone cliffs and Fisher Towers near Moab, Utah.

A rainbow descends through clouds above the Colorado River as seen from Dead Horse Point State Park near Moab, Utah.

A sliver of light cuts through storm clouds at sunset above colorful autumn aspens in the La Sal Mountains near Moab, Utah.

Delicate Arch reflects in a pothole filled with rainwater at sunset with clouds from a departing storm filling the sky above Arches National Park, Utah.

Delicate Arch reflects in a puddle filled with rainwater at sunset with clouds from a departing storm filling the sky above Arches National Park, Utah.

Sunrise light warms the sandstone walls of Shafer Canyon below Marlboro Point near Moab, Utah.

A new day dawns at Marlboro Point at the head of Shafer Canyon near Moab, Utah.

Sandstone towers and canyon walls greet the rising sun at Marlboro Point near Moab, Utah.

An assortment of desert wildflowers including prickly pear, globemallow and prince's plume bloom alongside the Colorado River below the La Sal Mountains and Fisher Towers at sunset near Moab, Utah.

Early morning fog shrouds the Three Gossips, Sheep Rock, Tower of Babel and The Organ in the Courthouse Towers area of Arches National Park, Utah.

Snow lingers on the famous formations of Castle Valley on a winter evening in the desert.

Anticrepuscular rays appear in the sky to the east of Grandview Point in the Island in the Sky district of Canyonlands National Park, Utah.

Ice covers the Colorado River as it passes below the Fisher Towers at sunset while a clearing winter storm darkens the sky near Moab, Utah.

A pastel autumn sky reflects in Warner Lake while snowcapped Haystack Mountain watches over aspen trees just starting to show signs of fall in the Manti La Sal Wilderness near Moab, Utah.

A big sky full of clouds looms over the White Rim below Grandview Point in the Island in the Sky district of Canyonlands National Park near Moab, Utah.

Ice covers the Colorado River as it passes below the Fisher Towers at sunset while a clearing winter storm darkens the sky near Moab, Utah.

Ice covers the Colorado River as it passes below the Fisher Towers at sunset while a clearing winter storm darkens the sky near Moab, Utah.

Cottonwood trees displaying colorful fall leaves stand below Castleton Tower, the Priest and Rectory, and other features in Castle Valley, Utah.

A quick moving storm sweeps across the landscape above the White Rim while Washer Woman Arch and Monster Tower watch from a high perch in Canyonlands National Park, Utah.

A waterfall forms during a flash flood in Bloody Mary Wash in Arches National Park near Moab, Utah.

A brief burst of sunrise light slips through a crack in storm clouds to illuminate cliffs below Dead Horse Point State Park near Moab, Utah.

Dramatic clouds fill a big sky above the Colorado River as seen from Dead Horse Point State Park near Moab, Utah.

A Utah Juniper Tree stands at the edge of a cliff with a commanding view of Shafer Canyon below a sky filled with clouds near Moab, Utah.

The Tower of Babel and The Organ are seen on a cloudy day from the end of the Park Avenue trail in the Courthouse Towers area of Arches National Park, Utah.

A stately juniper tree watches over Shafer Canyon on a stormy day near Moab, Utah.

Sunrise light warms the sandstone cliffs below Dead Horse Point State Park on a warm summer morning near Moab, Utah.

The Tower of Babel and The Organ are seen on a cloudy day from the end of the Park Avenue trail in the Courthouse Towers area of Arches National Park, Utah.

An Ancestral Puebloan ruin known as False Kiva overlooks Candlestick Tower and an unnamed canyon in the last light of day at Canyonlands National Park, Utah.

Sunset casts a warm glow upon sandstone fins in the Behind the Rocks Wilderness area with the La Sal Mountains in the background, as seen from Posion Spider Mesa near Moab, Utah.

Colorful clouds fill the sky above the Colorado River below Dead Horse Point State Park outside Moab, Utah.

Dramatic clouds fill the sky above Broken Arch glowing in golden sunrise light in Arches National Park, Utah.

Storm light falls upon the sandstone fins of the Fiery Furnace as virga passes through Castle Valley in Arches National Park, Utah.

The morning sun just crests above the impressive span of Mesa Arch in Canyonlands National Park, Utah.

Sunlight streams through storm clouds to illuminate sandstone fins in the Fiery Furnace area of Arches National Park, Utah. In the background is Castle Valley and the La Sal Mountains.

Castle Rock stands defiantly against an approaching storm in Castle Valley, Utah.

Dark, ominous storm clouds hover over the La Sal Mountains behind Delicate Arch in Arches National Park, Utah.

Dark, ominous storm clouds hover over the La Sal Mountains behind Delicate Arch in Arches National Park, Utah.

Storm clouds linger in the sky above Delicate Arch in Arches National Park, Utah.

Sunset light breaks through storm clouds to illuminate the canyon walls below Green River Overlook in the Island in the Sky district of Canyonlands National Park, Utah.

An impending storm bears down on Airport Tower as seen from the White Rim in Canyonlands National Park near Moab, Utah.

A pastel sunrise sky is seen above Turret Arch as viewed through North Window in Arches National Park, Utah.

Winter fog envelopes Mesa Arch as warm sunrise light illuminates the underside of the arch in Canyonlands National Park, Utah.

Ominous storm clouds momentarily part to shed light on the White Rim as seen from Green River Overlook in the Island in the Sky district of Canyonlands National Park, Utah.

The weathered limbs of a juniper tree frame Landscape Arch at sunrise in the Devil's Garden area of Arches National Park, Utah.

An old juniper tree clings tentatively to the edge of a cliff overlooking the White Rim at Green River Overlook in the Island in the Sky district of Canyonlands National Park, Utah.

Mesa Arch basks in warm, reflected light at sunrise in the Island in the Sky district of Canyonlands National Park, Utah.

Washer Woman Arch and Monster Tower cast shadows on smoke from a wildfire at sunrise in the Island in the Sky district of Canyonlands National Park, Utah.

Reflections in the Colorado River of Fisher Towers and the La Sal Mountains at sunset outside Moab, Utah.

A colorful winter sunset ends a beautiful day at Delicate Arch in Arches National Park, Utah.

Dramatic clouds fill the sky above Buck Canyon in the Island in the Sky district of Canyonlands National Park near Moab, Utah.

A powerful spring storm rapidly moves across the White Rim toward Green River Overlook in the Island in the Sky district of Canyonlands National Park, Utah.

A stormy sky develops over Monitor and Merrimac Buttes near Canyonlands National Park, Utah.

A lone evergreen tree punctuates a hillside of color autumn aspen and gambel oaks in the La Sal Mountains near Moab, Utah.

Fog and snow falling create an ethereal mood in the Windows section of Arches National Park near Moab, Utah.

A fresh winter snow blankets Sand Dune Arch in Arches National Park, Utah.

The bright red flowers of a claret cup cactus, also known as a hedgehog cactus, (Echinocereus triglochidiatus), bloom in spring in Courthouse Wash in Arches National Park, Utah.

A breaking storm reveals colorful clouds above the Organ and Three Gossips at sunrise in Arches National Park, Utah.

A lone, twisted juniper clings to life on the edge of a cliff overlooking the Colorado River below Dead Horse Point State Park, Utah.

Colorful clouds hover over the Three Gossips at sunrise in the Courthouse Towers area of Arches National Park near Moab, Utah.

Hardy yucca plants eke out an existence at the base of spectacular Mesa Arch with incredible views of the White Rim, Washer Woman Arch and Monster Tower in the canyon below in Canyonlands National Park, Utah.