- Coral reefs are one of Earth's most beautiful and vital ecosystems—and they are declining at a rapid pace. Mike Field, Chief of the USGS Pacific Coral Reef Project, talks about the importance of coral reefs and how pollution, climate change, and other factors are affecting them
- The Lower Yellowstone Falls, Yellowstone River, taken in Yellowstone National Park, Wyoming, USA on January 1st, 2010.
- Photo captures the Rio Grande, volcanic San Luis Hills, and Blanca Peak massif in the San Luis Basin, part of the Rio Grande rift. The basin - currently being studied by the USGS - is of interest for groundwater, petroleum, and mineral resources.