All Multimedia

A hollowed out ostrich egg sold as a home decoration or tourist souvenior in southern Africa. This particular egg was on displayed in a basket of hollowed ostrich eggs in the restaurant of a hotel. A hole is made in one end of the egg through which the egg and other fluids are removed while leaving the shell intact.

A hollowed out ostrich egg sold as a home decoration or tourist souvenior in southern Africa. This particular egg was on displayed in a basket of hollowed ostrich eggs in the restaurant of a hotel. The hole is made in the egg to extract the yolk and other fluids while leaving the shell intact.

A hollowed out ostrich egg sold as a home decoration or tourist souvenir in southern Africa. This particular egg was on displayed in a basket of hollowed ostrich eggs in the restaurant of a hotel. A hole is made in one end of the egg through which the egg and other fluids are removed while leaving the shell intact.

Western edge of Sherman Crater in the foreground of the Mount Baker Summit, Washington, view slightly northwestward.

Photograph of iron(III) oxyhydroxides (yellow-brown color in two left-hand tubes collected on folded filter paper) that was produced in iron(II)-containing groundwater by the addition of nitrate. The tube on the right is a filter collected from the same groundwater before nitrate was added.

Trans-Alaska Pipeline, northern Brooks Range, Alaska. Rocks in the background produce oil on the North Slope.

Aerial view of the Pilgrim River looking towards the mountains.

A morning fog on the Pilgrim River. The camp is from the thermal ecology of sockeye salmon project.

ADCP measuring river current in NY

USGS scientist observing Mount St. Helens' crater and dome from the Brutus Camera station.

This hillslope above the turnpike burns every few years. This photograph was taken less than 2 years after the hillslope burned. The same tree is visible in. The location is 18º3'N, 66º13'W and the elevation is 255 m.

An endangered Olulu plant, also known as Cabbage on a stick.

This photograph, taken from a hiking trail, depicts some of the high tropical mountains and cliffs seen in the Hawaiian islands.

The mountains that encompass Hawaii's Limahuli Garden and Preserve.

The stream that flows down Kauai's Limahuli valley as it passes through the Limahuli Garden and Preserve.

A roadway through the lower valley of the Limahuli Garden and Preserve.

A Pandanus tree with prominent aerial roots on a cliff-top at Limahuli Garden and Preserve.

A mango tree with two or three dozen ripening mangos.

USGS researchers collect surface water from a rice field weir box using trace-metal clean techniques.

USGS researchers sampling sediment from newly flooded rice fields, during growing season.