Narrower Terms (18)

• Abraham Lincoln National Heritage Area (Ill.)
• Chautauqua National Migratory Waterfowl Refuge (Ill.)
• Chicago Portage National Historic Site (Ill.)
• Crab Orchard National Wildlife Refuge (Ill.)
• Cypress Creek National Wildlife Refuge (Ill.)
• Driftless Area National Wildlife Refuge
• Emiquon National Wildlife Refuge (Ill.)
• Grand Kankakee Marsh National Wildlife Refuge (Ind. and Ill.)
• Illinois and Michigan Canal National Heritage Corridor (Ill.)
• Lincoln Home National Historic Site (Springfield, Ill.)
• Lincoln National Historic Trail (Ill.)
• Lost Mound National Wildlife Refuge (Ill.)
• Mark Twain National Wildlife Refuge (Ill.)
• Meredosia National Wildlife Refuge (Ill.)
• Midewin National Tallgrass Prairie (Ill.)
• Pullman National Historical Park (Ill.)
• Ronald Reagan Boyhood Home National Historic Site (Dixon, Ill.)
• Shawnee National Forest (Ill.)