Ashfall Fossil Beds State Historical Park
Under $25Look down from a boardwalk on complete rhino, horse and camel skeletons still lying in the volcanic ash that buried them.

Photo: Ammodramus, CC0, via Wikimedia Commons. Cropped and resized.
A 14-acre arboretum in Pierce, Nebraska, built around a lake and featuring themed plantings.
106 S. 1st Street, Pierce, NE 68767 · Pierce, NE
Established in 1993, this arboretum in Pierce, Nebraska covers about 14 acres ringed around a lake named for Bill Cox. Its plantings include a Wet Mesic Garden, a demonstration plot for plants that tolerate soggy soil, which holds several tree, shrub, and perennial species. The site also has a historic bridge, a memorial area, a daylily collection, and a trail guide. Visitors are asked to keep pets leashed, avoid collecting plant material, and refrain from swimming in the lake or drinking alcohol in the park. It is an affiliate site of the Nebraska Statewide Arboretum.
The closest stops to Gilman Park Arboretum, ordered by straight-line distance. A few more like it, plus some different kinds of fun so you can build a full day.
Look down from a boardwalk on complete rhino, horse and camel skeletons still lying in the volcanic ash that buried them.
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A cluster of historic buildings on the Cuming County fairgrounds holding local farm, rail, school, and church displays.
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A state historic site on the former home grounds of Nebraska's Poet Laureate John G. Neihardt, with a museum and a historic study.
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Walk through galleries of rare musical instruments, from Stradivari strings to early pianos, on the University of South Dakota campus.
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Urban wildlife park on Sioux City's edge, with bluff trails, CCC-era stonework, and camping.
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