Agate Fossil Beds National Monument
FreeSee Miocene mammal fossils and Lakota gifts in the visitor center, then hike prairie trails to the historic dig sites.

Photo: Ammodramus, CC0, via Wikimedia Commons. Cropped and resized.
Fort Robinson State Park is an outdoor activity in Crawford, NE. Cost: under $25.
3200 Hwy 20 · Crawford, NE
Fort Robinson is a former U.S. Army post in the Pine Ridge country of northwest Nebraska, now a 22,000-acre state park. You can see the 1887 Adobe Officers' Quarters, the reconstructed Cheyenne Outbreak Barracks tied to the 1879 breakout, and the plaque where Crazy Horse died in 1877. Open-top Jeep tours climb the buttes, a stagecoach carries riders around the post, and bison and longhorn herds graze nearby. The Fort Robinson Museum fills the 1905 post headquarters, and the Post Playhouse stages summer shows.
The closest stops to Fort Robinson State Park, ordered by straight-line distance.
See Miocene mammal fossils and Lakota gifts in the visitor center, then hike prairie trails to the historic dig sites.
23 mi awaySwitch it up: Sightseeing
A history museum near Chadron on the site of an original 1837 fur trading post, with over 6,000 authentic artifacts.
26 mi awaySwitch it up: Museums
Walk around a full-size replica of Stonehenge built from gray-painted vintage cars on the Nebraska plains.
50 mi awaySwitch it up: Sightseeing