Laona Heights Nature Preserve
Sugar River Alder Nature Preserve
Colored Sands Bluff Nature Preserve
Colored Sands Forest Preserve
Hartley Memorial Woods Nature Preserve
Hartley Forest Preserve
Pecatonica Bottoms Nature Preserve
Trask Bridge Forest Preserve
Four Lakes Forest Preserve
Sumner Park
Wirth Prairie Nature Preserve
Rockton Bog Nature Preserve
Seward Forest Preserve
Rockton Historic District
Walt Williamson Park