Want to find out about the official state fossils, rocks, minerals, gems, and highest and lowest elevation of each state in the U.S.? Explore using the links below. Geologic maps of each state as well as places to visit are also provided.
Page last updated: August 29, 2023.
Image above: Glacial cobbles of fossiliferous Silurian dolostone on a beach in Door County, Wisconsin. Photograph by Jonathan R. Hendricks.