Giant City Nature Trail

Giant City State Park, located in the Shawnee National Forest in Southern Illinois, USA

Garden of the Gods Wilderness

Mushroom rocks in the Garden of the Gods Wilderness, Shawnee National Forest, Illinois, USA

Garden of the Gods Wilderness

Camel Rock at the Garden of the Gods Recreation Area, Shawnee National Forest, Illinois, USA

Garden of the Gods Wilderness

Camel Rock at the Garden of the Gods Recreation Area, Shawnee National Forest, Illinois, USA

Garden of the Gods Wilderness

Colorful canopy as seen from the Observation Trail at Garden of the Gods Recreation Area, Shawnee National Forest, Illinois, USA

Devil's Smokestack in the Garden of the Gods Wilderness in Shawnee National Forest, Illinois, USA

Garden of the Gods Wilderness

Garden of the Gods Wilderness

Camel Rock at the Garden of the Gods Recreation Area, Shawnee National Forest, Illinois, USA

Garden of the Gods Wilderness in Shawnee National Forest, Illinois

Crazy ledges at the Garden of the Gods Recreation Area, Shawnee National Forest, Illinois, USA

Garden of the Gods Wilderness

Bizarre rock formations along the Observation Trail at Garden of the Gods Recreation Area, Shawnee National Forest, Illinois, USA

Garden of the Gods Wilderness

Bizarre rock formations along the Observation Trail at Garden of the Gods Recreation Area, Shawnee National Forest, Illinois, USA

Garden of the Gods Wilderness

Observation Trail at Garden of the Gods Recreation Area, Shawnee National Forest, Illinois, USA

Woodhenge in Illinois - A prehistoric solar calendar at the Cahokia Mounds UNESCO World Heritage Site near Collinsville, Illinois

Woodhenge in Illinois - A prehistoric solar calendar

There are pyramids in Illinois!

Monks Mound, the largest mound at the Cahokia Mounds is the largest Pre-Columbian earthwork in the Americas and the largest pyramid north of Mesoamerica.

Large Oak Tree at the Cahokia Mounds State Historic Site

Monks Mound at the Cahokia Mounds UNESCO World Heritage Site near Collinsville, Illinois

Two flights of stairs going up Monks Mound at the Cahokia Mounds UNESCO World Heritage Site near Collinsville, Illinois

Cahokia Mounds State Historic Site

Schematic line drawing of the Cahokia Mounds State Historic Site

View from the top of Monks Mound at the Cahokia Mounds UNESCO World Heritage Site towards the pallisades

Palisades of the stockade at Cahokia Mounds State Historic Site

View from Monks Mound at some palisades of the stockade at Cahokia Mounds State Historic Site, a UNESCO World Heritage Site near Collinsville, Illinois

View from the top of Monks Mound at the Cahokia Mounds UNESCO World Heritage Site with downtown Saint Louis and Gateway Arch in the far distance

Monks Mound at the Cahokia Mounds State Historic Site

Monks Mound at the Cahokia Mounds State Historic Site, a Native American UNESCO World Heritage Site near Collinsville, Illinois