Trailside Museum of Natural History
Under $25Natural history museum inside Fort Robinson State Park in western Nebraska, known for a pair of Ice Age mammoth fossils.

Photo: Urban at French Wikipedia ., Public domain, via Wikimedia Commons. Cropped and resized.
See Miocene mammal fossils and Lakota gifts in the visitor center, then hike prairie trails to the historic dig sites.
301 River Rd · Harrison, NE
Agate Fossil Beds preserves Miocene mammal fossils about 20 million years old in the Niobrara River valley of northwest Nebraska. The visitor center has a diorama of Miocene mammals and the James H. Cook Collection of gifts from Chief Red Cloud and other Plains Indian leaders. The 2.8-mile Fossil Hills Trail leads to the historic dig sites, and the 1-mile Daemonelix Trail passes the corkscrew-shaped burrows of ancient land beavers.
The closest stops to Agate Fossil Beds National Monument, ordered by straight-line distance. A few more like it, plus some different kinds of fun so you can build a full day.
Natural history museum inside Fort Robinson State Park in western Nebraska, known for a pair of Ice Age mammoth fossils.
22 mi awaySwitch it up: Museums
Tour a frontier Army post turned 22,000-acre state park, with museums, Jeep and stagecoach rides, and bison and longhorn herds.
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A 800-foot bluff above the North Platte River that marked the route for pioneers, Native peoples, and modern travelers.
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A private, nonprofit museum in Gering, Nebraska, covering pioneer life, farming, and High Plains history beside Scotts Bluff National Monument.
42 mi awaySwitch it up: Museums
Walk the parade ground of a fur trade post turned Army fort and step inside restored buildings like Old Bedlam.
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Walk around a full-size replica of Stonehenge built from gray-painted vintage cars on the Nebraska plains.
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