All Multimedia

Snake River with view of hovering clouds, trees and mountains in background.

Vegetation along bank of Snake River with view of treeline and hovering clouds.

View of Snake River with mountains in background and clouds overhead.

View of Snake River winding through trees with mountains in background.

Small waterfall at base of hill lined with trees and foliage alongside stream.

Glacier Peak, Washington, in the prime of summer when much of the snow has melted from its flanks.

USGS scientist measuring pH, Specific Conductance and dissolved oxygen in a remediation ditch constructed with local volcanic rock possessing some acid neutralizing capacity.  

Brown's Gulch is below the Brooklyn Mine, a few miles north of Siverton, Colorado, in the Mineral Creek basin.

Cement Creek following storm event in July, 2004. Note the orange discoloration of the stream derived from weathering of bedrocks and from mined areas. This type of event happens frequently in the Animas Watershed near Silverton, Colorado. View is to the south, with Kendall Mountain in the distance.

Sherman Crater (foreground) below the summit of Mount Baker, Washington.

Infrared composite image of Uranus taken by the Keck Telescope. 

Roaring Spring on the McKenzie River, Oregon

Hindu Kush peak rises to about 17,000 feet.

Scenic Panjsher Valley hosts emerald deposits

This cuckoo bee, or Nomada vegana, is a native bee species associated with open grassland habitats in northwest Indiana. It is a parasitic bee that lays its eggs in nests of other bees.

Many aspen groves in Yellowstone National Park are failing to regenerate.

Balanced Rock, a famous attraction in Arches National Park. Photograph taken after noon.

Cosby Creek under average flow conditions in Great Smoky Mountains National Park near the Cosby Campground near Cosby, TN

The Alluvial Fan is a fan-shaped area of disturbance in Rocky Mountain National Park. It was created on July 15, 1982, when the earthen Lawn Lake Dam above the area gave way, flooding the Park and nearby town of Estes Park with more than 200 million gallons of water. Enormous boulders were displaced, and trees and earth were ripped from the ground.

Photo of Foster's Tern (Sterna forsteri) while hunting. Forster’s terns are among the most at-risk wildlife species to mercury toxicity in western North America.