Old, hardened lava flows extend from the caldera of Medicine Lake volcano in northern California.
Published Oct 10, 2017
The most striking feature is Roosevelt Lake, an artificial lake created by the construction of Roosevelt Dam across the Salt River. The National Monument is surrounded by the Tonto National Forest, which includes low plains, desert scrubland, and alpine pine forests.
Published Sep 4, 2005
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
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
In western New Mexico, the landscape’s long volcanic history can be explored above and below the ground.
Published Feb 21, 2016
Acquired April 2, 2002, this natural-color image shows Colorado National Monument and nearby agricultural and residential areas.
Published Mar 6, 2011
The paleontologist Eric Douglass made the first discoveries here in 1909, and President Woodrow Wilson proclaimed it a national monument in 1915.
Published Apr 3, 2005
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
Nestled in the northeast corner of New Mexico, Capulin protrudes from the flat expanse, an anthill of giant proportions.
Published Aug 24, 2016
Tall, branch-like cacti provide shelter for animals at the Organ Pipe Cactus National Monument.
Published Dec 4, 2016
A 1666 eruption in what is now the northeast corner of Lassen Volcanic National Park flattened forests and created a new lake.
Published Mar 11, 2018
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
The landscape was formed as wind, water, and earthquakes carved away a 23-million-year-old volcano.
Published May 14, 2006
Nyamuragira volcano began spouting lava into the skies above Congo in November 2011, sending up spectacular water vapor clouds as well.
Published Nov 17, 2011
Acquired September 24, 2002, this natural-color image shows part of Mt. Hood National Forest, including the volcanic peak that gave the area its name. Park boundaries are outlined in white.
Published May 2, 2010
Soldiers’ National Cemetery, where U.S. President Abraham Lincoln delivered the “Gettysburg Address” in November 1863, appears in this Ikonos satellite image from June 25, 2003.
Published Feb 12, 2009
A river of red and black lava marks the site of Nyamurigira’s latest eruption.
Published Nov 16, 2011
