Where four-wheel drive actually earns its keep here
Minnesota rewards traction and ground clearance rather than articulation. The Chippewa National Forest says outright that its low standard roads are managed for high-clearance vehicles and that it does not encourage passenger car traffic on them. Spring thaw and heavy rain turn those roads soft, which is the same reason MnDOT restricts loads on paved highways in the same weeks.
If you want technical driving, the DNR names the places: the Iron Range OHV State Recreation Area at Gilbert takes jeeps, trucks, 4x4s and rock crawlers on 36 miles of designated trail in its East Unit and 10 more in the West, and the Mille Lacs ORV Park adds five miles of its own. A shop that knows those trails is the right shop to set up recovery points and gearing for them.