Maquoketa Caves State Park, Iowa, this is one of my favorite places to hike.

Wild Cat Den State Park, Iowa, this is another one of my regular hiking locations.

Bellevue State Park, Iowa, on the western shore of the Mississippi River.

Jackson County Recreational Trail, Iowa, runs along a former railroad line on the Maquoketa River.

Geode State Park, Iowa, west of Burlington.

NEW!! Hennepin Canal State Parkway, Illinois, from Colona to just east of Geneseo. On: 9.16.2005.