John Day Fossil Beds National Monument is located in eastern Oregon and is known for its rich fossil deposits. The area showcases a variety of geological formations, including colorful rock layers that date back millions of years, providing insights into ancient ecosystems. Visitors can explore several units within the monument, such as the Sheep Rock Unit and the Clarno Unit, which feature hiking trails and educational exhibits. The monument is home to numerous fossils, including those of dinosaurs and early mammals, making it a significant site for paleontological research and a popular destination for nature enthusiasts.