Experience the story of Lake Minnetonka during its heyday as one of Minnesota’s premier tourist destinations. “Ride the rails” along a former Great Northern Railway roadbed. Circle Crystal Bay where grand hotels once stood and visit the estate gardens at Noerenberg Memorial Park. Participants must bring their own bike and helmet and be able to ride an 11-mile loop at a leisurely pace. Reservations required by two days prior. $5. Ages: 13+. To register, visit ThreeRiversParks.org or call 763-559-6700.