- A female grizzly bear family rambles through Yellowstone National Park. USGS researchers study population dynamics of these bears, as well as hazards they face. This information is used by resource managers and decision makers.
- The Lower Yellowstone Falls, Yellowstone River, taken in Yellowstone National Park, Wyoming, USA on January 1st, 2010.
- Mount St. Helens and surrounding area recover from the historic May 1980 eruption. Shades of white and gray indicate still-bare slopes that were swept by volcanic flows; light green areas at the top of the photo show regrowth of vegetation in devastated areas; dark green areas at the bottom were unaffected by the eruption.