Formations in an area known as the Alien Hatchery are seen illuminated during the blue hour over the Bisti/De-Na-Zin Wilderness in New Mexico on April 11, 2016. The area was once a delta that lay to the west of the Western Interior Seaway 70 million years ago, and the badlands were formed by the erosion of the sandy Ojo Alamo Formation.

(Photo by: Alex Milan Tracy/Sipa USA)

A squirrel sits on a rocky outcrop by Mather Point.

The sun rises over Kodachrome Basin viewed from the Angel's Palace trail.

A composite of thirteen images provides a 180 degree view of the Milky Way over the Alvord Desert near Fields, Ore., on August 4, 2016.

Fog covers trees in Mt. Hood National Forest, Ore., pictured on February 12, 2013. (Photo by: Alex Milan Tracy)

A lone tree pictured in Harney, County, Ore., on January 10, 2016.

Greenwood Resources in Eastern Oregon manages sustainable, environmentally certified tree farm systems for investment purposes. High-yield, fast-growing tree farms meet the growing worldwide demand for timber and renewable energy products.

A woman runs in the snow along the Eastbank Esplanade.

A man reads a copy of Nuestro Diario at the border crossing with Belize in Melchor de Mencos, Guatemala, on February 24, 2015. (Photo by: Alex Milan Tracy/Sipa USA)

The full "mourning moon" rises behind the St. Johns Bridge in Portland, Ore., on November 25, 2015. It is the last full moon before the winter solstice, and in Pagan traditions the rise of the moon symbolizes a time to reflect on the year. (Photo by: Alex Milan Tracy)

A view from the Old Town Square Tower in Prague, Czech Republic, on July 1, 2015. (Photo by: Alex Milan Tracy/Sipa USA)

The Milky Way shines brightly in the sky over formations in the Bisti/De-Na-Zin Wilderness in New Mexico on April 7, 2016. The area was once a delta that lay to the west of the Western Interior Seaway 70 million years ago, and the badlands were formed by the erosion of the sandy Ojo Alamo Formation.

Mt. Hood reflects in Trillium Lake, Mount Hood National Forest, Ore., as the sun rises on November 21, 2015. (Photo by: Alex Milan Tracy)

Tourists walk along the beach at the ancient Maya city of Tulum, Mexico, pictured on March 3, 2015. The city which faces the sunrise is also known as Zama, meaning city of dawn, and was an important trade hub. (Photo by: Alex Milan Tracy/Sipa USA)

(Photo by: Alex Milan Tracy/Sipa USA)

Pictographs on the Lower Calf Creek Falls trail near Boulder, Utah, pictured on May 8, 2015. These images are typical of Fremont-style rock art and archaeologists can only speculate on their meaning. (Photo by: Alex Milan Tracy/Sipa USA)

A thirty second exposure taken at night on the gypsum dunes at White Sands National Monument located at the northern end of the Chihuahuan Desert's Tularosa Basin in N.M., on April 24, 2015. The gypsum dune field is the largest in the world, encompassing a 275 square mile area and it attracts over 500,000 visitors a year. (Photo by: Alex Milan Tracy/Sipa USA)

Golden light radiates across the skyline as the sun sets behind the cemetery in San Miguel de Cozumel on the Island of Cozumel, Mexico, on March 8, 2015. (Photo by: Alex Milan Tracy/Sipa USA)

Thousands of Czech's descended on the town of Cesky Krumlov in the South Bohemian region of the Czech Republic on July 7, 2015 to float down the Vltava river for the holiday weekend commemorating the 600th anniversary of the death of religious reformer Jan Hus. (Photo by: Alex Milan Tracy/Sipa USA)

The afternoon sun bursts through fir trees in the Salmon-Huckleberry Wilderness near Devil's Peak lookout in Mount Hood National Forest, Ore., on November 21, 2015. (Photo by: Alex Milan Tracy)

Bird nest holes create a facial pattern in a saguaro cactus that appears to be using its side arm to wave, pictured in Tucson, Ariz., on April 26, 2015.

Tourists prepare to observe the hourly show known as "The Walk of the Apostles" at the medieval astronomical clock located on the south wall of the Old Town City Hall in Prague, Czech Republic, on July 1, 2015. (Photo by: Alex Milan Tracy/Sipa USA)

Businessmen talk and admire the view over the city of Prague, Czech Republic, from the skate park at Letna Park on July 1, 2015. (Photo by: Alex Milan Tracy/Sipa USA)

Icicles hang from a branch as the sun sets over a frozen Lake Lowell in Deer Flat National Wildlife Refuge, Canyon County, Idaho on January 2, 2016. (Photo by: Alex Milan Tracy)

A view at sunset from Desert View over the Grand Canyon, Ariz., on May 2, 2015. (Photo by: Alex Milan Tracy/Sipa USA)

The desert landscape of Idaho's Washington County reflects in the Snake River at the border of Oregon and Idaho, pictured near Farewell Bend in Baker County, Ore., on November 5, 2014.

Dwarf buckwheat dominates the landscape of a cinder meadow with a lone limber pine pictured under Paisley Cone at Craters of the Moon National Monument and Preserve in central Idaho on October 8, 2014. (Photo by: Alex Milan Tracy/Sipa USA)

A shuttle brings visitors into Zion Canyon viewed from Angels Landing in Zion National Park, Utah, on May 5, 2015. The park contains 124,406 acres of wilderness, designated as part of the Omnibus Public Land Management Act of 2009, and it is one of the most visited in the country with over 3.2 million visitors in 2014. (Photo by: Alex Milan Tracy/Sipa USA)

The Milky Way illuminates the sky behind the famous landmark of Delicate Arch in Arches National Park, Utah, on April 5, 2016.

A view over Zion Canyon from Angels Landing in Zion National Park, Utah, on May 5, 2015. The park contains 124,406 acres of wilderness, designated as part of the Omnibus Public Land Management Act of 2009, and it is one of the most visited in the country with over 3.2 million visitors in 2014. (Photo by: Alex Milan Tracy/Sipa USA)

Storm clouds roll over agricultural land surrounding Browning's Honey Company in Jamestown, N.D. on June 11, 2016.

McGown Peak reflects in Stanley Lake, Idaho, pictured on June 6, 2013. (Photo by: Alex Milan Tracy)

A view of Mount Rainier over the Nisqually Glacier from Skyline Trail in Paradise, Wash., pictured on August 18, 2014. (Photo by: Alex Milan Tracy/Sipa USA)

A view of the landscape at the Painted Hills, one of three units of John Day Fossil Beds National Monument, in Wheeler County, Ore., pictured on October 20, 2015. The colors in the clay rich hills are the product of volcanic eruptions around 36 million years ago in what is now the Cascade Range. (Photo by: Alex Milan Tracy)

A view over Bryce Amphitheater towards the Sinking Ship in Bryce Canyon National Park, Utah, on May 6, 2015. Bryce is technically not a canyon and contains amphitheaters excavated by headward erosion and frost weathering leaving behind spires of rock known as hoodoos. (Photo by: Alex Milan Tracy/Sipa USA)

A thirty second exposure taken at night on the gypsum dunes at White Sands National Monument located at the northern end of the Chihuahuan Desert's Tularosa Basin in N.M., on April 24, 2015. The gypsum dune field is the largest in the world, encompassing a 275 square mile area and it attracts over 500,000 visitors a year. (Photo by: Alex Milan Tracy/Sipa USA)