Cliffs, waterfalls, and a wide mix of vegetation line a river that winds through the Great Plains in Nebraska.
Published May 29, 2016
Climate change can make an area less suitable for some trees and plants and more suitable for others.
Published May 22, 2016
The unique topography of Haleakalā National Park has astounded visitors for more than a century.
Published May 21, 2016
A national park and preserve almost twice as large as Yellowstone provides ample habitat for brown bears and salmon.
Published May 14, 2016
Maps of the underwater topography reveal reefs and sandbars within the largest marine park in the U.S. National Park System.
Published May 1, 2016
Grand Canyon National Park spans 277 river miles and often stretches 10 miles wide. But the true wonder arises from its depth...or height, depending on where you stand.
Published Apr 24, 2016
Established in 1872, it was the first national park in the United States, and perhaps the world. Its geological and biological wonders have led international groups to declare it a world heritage site and a biosphere reserve.
Published Apr 17, 2016
A long, active geologic history sculpted the surface features visible today in the Teton mountain range and Jackson Hole valley.
Published Apr 10, 2016
The national park tells the story of the “Lost Colony,” at Roanoke Island, and of the Native Americans who visited the island long before the English.
Published Apr 6, 2016
Protection of a historic Civil War battle site brings a sliver of green space to metropolitan Atlanta.
Published Mar 30, 2016
A pair of modest oyster flats turned into two of most important islands in the United States.
Published Mar 20, 2016
Three new national monuments in Southern California connect with existing protected areas to form the world’s second-largest desert preserve.
Published Mar 13, 2016
Long before Cape Lookout National Seashore was declared a national tourist treasure, it was home to an important lighthouse and a commercial port. The park has its 50th anniversary this week.
Published Mar 8, 2016
The small Puerto Rican island is a natural reserve that has been nicknamed the “Galapagos of the Caribbean.”
Published Feb 28, 2016
In western New Mexico, the landscape’s long volcanic history can be explored above and below the ground.
Published Feb 21, 2016
There are not many places in the world where you can move from the ocean to a rainforest to a glacier-covered mountain within 100 miles.
Published Feb 14, 2016
The rugged canyons slicing through plateaus in New Mexico’s Bandelier National Monument contain relics from human civilization that date back 11,000 years.
Published Feb 10, 2016
North America’s highest peak is slightly shorter than previously thought.
Published Sep 3, 2015
Areas recognized for their pristine dark skies are the perfect place to catch a glimpse of celestial phenomena.
Published Nov 15, 2014
A potent weather system with origins in Manitoba moved south across the Great Lakes on Halloween and blew all the way to Florida, bringing snow and hard frost to regions that don't see either in some winters.
Published Nov 4, 2014
A double oxbow etched into the Colorado Plateau in Canyonlands National Park likely got its shape from an ancestral river.
Published Jun 18, 2014
Sinking blocks of rock created this distinctive network of valleys.
Published Jun 6, 2014
It takes thousands of years for rainwater to seep deep underground, warm up, and return to the surface before bathers can enjoy it in Arkansas.
Published Apr 23, 2014
Time transforms the ranges in the southern Appalachian Mountains through the course of a year.
Published Jan 14, 2014
Modern remote sensing tools are helping to shed new light on the historic battle.
Published Jul 3, 2013
Acquired September 15, 2000, this natural-color image shows Aniakchak National Monument in Alaska, home to an old caldera, and even older fossils.
Published Oct 12, 2011
Americans celebrate the 75th anniversary of Shenandoah National Park, just 75 miles from Washington, DC, but worlds away in spirit.
Published Jun 25, 2011
Acquired April 2, 2002, this natural-color image shows Colorado National Monument and nearby agricultural and residential areas.
Published Mar 6, 2011
Acquired June 24, 2007, this natural-color image shows the eastern half of St. John Island in the U.S. Virgin Islands. The area pictured incorporates a national park and national monument.
Published Jan 20, 2011
Acquired on May 10, 2002, this natural-color image shows the varied landscapes of Big Bend National Park in southwestern Texas.
Published Jul 18, 2010
