Agate Fossil Beds National Monument is located in the state of Nebraska, not Wyoming. The monument is known for its well-preserved Miocene Epoch (roughly 20 million years ago) fossils of mammals such as horses, camels, and rhinoceroses. Visitors can hike through the unique landscape and view the fossils up close in the visitor center.

Some good reasons to visit Agate Fossil Beds National Monument include the opportunity to see and learn about prehistoric mammals, as well as the chance to hike and enjoy the natural beauty of the area. Specific points of interest to see include the Carnegie Quarry Exhibit, which showcases the excavation site of over 19,000 fossils, and the Daemonelix Trail, which leads through a unique landscape of fossilized spiral burrows.

Interesting facts about the area include that it was once home to many large mammals, including the oreodont, a pig-like mammal that weighed up to 400 pounds. Additionally, the name "Agate" comes from the colorful agate stones found in the area.

The best time of year to visit Agate Fossil Beds National Monument is during the summer months when the weather is warm and the trails are open for hiking. However, the monument is open year-round and visitors can still enjoy the visitor center and exhibits during the winter months.