Curated OER
National Park Service: Sunset Crater Volcano National Monument
The youngest volcano on the Colorado Plateau, Sunset Crater, has been standing tall and setting the landscape and ecosystem for over 900 years. Explore the history, culture, nature and science connected with Sunset Crater and the greater...
US Geological Survey
Usgs: Virtual Tours of National Parks
Excellent site to discover the National Parks from the convenience of your computer. Click on each park for a virtual tour, many in 3D, many offering historic photos. Dig deep into our national geologic story.