Acquired October 22, 2008, this true-color image of Sequoia National Park shows a network of varied ecosystem, including conifer forests, river valleys, alpine vegetation, and bare rocks.
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.
The rugged canyons slicing through plateaus in New Mexico’s Bandelier National Monument contain relics from human civilization that date back 11,000 years.
More than a million Americans have given their life in the name of their country. Some of the first gave it at the site of what is now Saratoga National Historical Park.