Fossil Butte National Monument 
US Highway 30
Kemmerer, WY 83101
307-877-4455
http://www.nps.gov/fobu
National Park: Birding, Hike, Picnic, RV, Walk, Water Sports
This 50-million year old lake bed is one of the richest fossil localities in the world. Recorded in limestone are dynamic and complete paleoecosystems that spanned two million years. Preservation is so complete that it allows for detailed study of climate change and its effects on biological communities.