Food + Farm Exploration Center
Under $25Hands-on agriculture museum with 60-plus interactive exhibits, a tractor simulator, and a farm tech shed.

Photo: self, CC BY-SA 3.0, via Wikimedia Commons. Cropped and resized.
Lakeside state park in central Wisconsin offering camping, boating, trails, and a historic log cabin.
Waupaca, WI
Hartman Creek is a state park on the Chain O' Lakes in central Wisconsin, known for its calm, welcoming setting. Visitors can camp, boat, swim, ride horses, and mountain bike. The park also has the historic Hellestad House, a log cabin, and several picnic areas, including one beside clear Marl Lake. Wikipedia describes it as roughly 1,417 acres with several small lakes, a sand beach, and a stretch of the Ice Age National Scenic Trail. Entry requires a vehicle admission pass, and the pages given do not state a per-adult admission price.
The closest stops to Hartman Creek State Park, ordered by straight-line distance. A few more like it, plus some different kinds of fun so you can build a full day.
Hands-on agriculture museum with 60-plus interactive exhibits, a tractor simulator, and a farm tech shed.
17 mi awaySwitch it up: Museums
A Wisconsin state park centered on a tall sandstone outcrop with ancient Native American rock art.
37 mi awayMore like this
See more than 200 aircraft, from a Spirit of St. Louis replica to a SpaceShipOne replica, next to the Oshkosh airport.
Transit: reachable by public transit
39 mi awaySwitch it up: Museums
A local history museum in downtown Appleton that covers the Fox Valley and includes a Harry Houdini exhibit.
41 mi awaySwitch it up: Museums
A Wisconsin state park on a peninsula in the Castle Rock Flowage, known for water recreation, hunting, hiking, and camping.
47 mi awayMore like this
Wisconsin state park on the shore of Lake Winnebago, known for a limestone cliff and a large statue of Chief Red Bird.
47 mi awayMore like this