A small waterfall in this forest scene, LaSalle Canyon, Starved Rock State Park, Illinois

A 17-year cicada and a spiderwort blossom, The Little Red Schoolhouse Nature Center, Illinois

A close-up of a fern on dead leaves creates this repetitive abstract pattern, Warren Woods, Michigan

Sunset behind Great Fountain Geyser, Yellowstone National Park

The red rocks of Zion National Park, Upper Emerald Pool.

A road curves through a colorful autumn forest, The Morton Arboretum, Illinois

Shadows from a fence on pitted sand; Ludington State Park, Michigan

A quiet bench in a flower garden, The Morton Arboretum, Illinois

A rutted trail curves through a prairie sunrise, Middle Fork State Wildlife Area, Illinois

Delicate color lights a farmscape at sunset, Kendall County, Illinois

Big Sable Point Lighthouse in late afternoon light; Ludington State Park, Michigan

Waves crash against the rocky shore at Cave Point County Park, Door County, Wisconsin

Streams branch out through autumn grasses in this savanna, Yellowstone National Park

Ridges and small pines on the Fairyland Trail at Bryce Canyon National Park, Utah

A waterfall and colorful autumn leaves in LaSalle Canyon, Starved Rock State Park, Utica, Illinois

A single corn crib sitting in an autumn bean field, LaSalle County, Illinois

Sunset on the shore of Lake Michigan, Peninsula State Park, Door County, Wisconsin

A peaceful stand of red pines after a summer rain, The Morton Arboretum, Illinois

A close-up of a single purple chicory blossom.

Close-up of a small cascade; West Branch of the DuPage River, Illinois