June 30, 2013 | Yosemite National Park
"Yosemite Falls is the tallest waterfall in North America, and is a powerful presence in Yosemite Valley. From winter ice to spring flood to autumn dryness, this magnificent waterfall is a dynamic force of nature." Quoted from the video description.
USGS Southern California Wildfire Risk Project
August 19, 2013 | USGS on YouTube.com
This video looks at the 1961 Bel Air Wildfire in southern California and current research on wildfires being done by USGS.
US Topo GeoPDFs
June 9, 2013 | USGS on YouTube
This is a video tutorial that will demonstrate how to use USGS topographic maps in PDF format.