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...
Curated OER
National Park Service: Walnut Canyon National Monument
Equally rich in history and science, Walnut Canyon National Monument is located in Flagstaff, Arizona. The monument was initially constructed by Sinagua, an ancient culture of farmers, the land is now home to a variety of wildlife....