Rowley Shoals, a series of atolls off northwestern Australia, are popular with divers and fisherman interested in the hundreds of marine species.
Published Nov 7, 2011
Sixty million years of erosion have exposed folded layers of rock.
Published Oct 3, 2007
The Great Barrier Reef is the largest reef system on Earth, with more than 3,000 separate reefs and coral cays. It is also one of the most complex natural ecosystems.
Published May 31, 2016
Ningaloo Reef, along the shore of Western Australia, is Australia’s largest fringing coral reef. It is also the world’s only large reef located so close to a landmass.
Published Sep 7, 2008
Arrecife Alacranes, Spanish for "Scorpion Reef," is the largest reef in the southern Gulf of Mexico.
Published Jan 31, 2015
An unusually cloud-free day provided this spectacular view of Cakaulevu Reef, Fiji, the world’s third largest reef system.
Published Aug 13, 2011
In February 2017, the Great Barrier Reef continued to be exposed to warm ocean water—the main stressor on this coral system and the reason for its bleaching.
Published Mar 16, 2017
The park encompasses about 37,000 hectares of the Sonora Desert.
Published Jul 24, 2005
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
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
The Cherokee Indians called these dark, fog-streaked hills “Shaconage”— the “Place of Blue Smoke.”
Published Jan 22, 2017
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.
Published Nov 15, 2009
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