United States
44.5550°, -119.6480°
1974
57.32
John Day Fossil Beds National Monument preserves a world-class record of plant and animal evolution spanning over 40 million years. The monument consists of three separate units featuring colorful rock formations and extensive fossil deposits from the Cenozoic Era. Visitors can explore ancient ecosystems through fossils of early horses, camels, and saber-toothed cats. The monument is managed by the National Park Service.