Natural-History Tours


(Online donations of any amount—see the PayPal button,  directly below—are not just accepted; they’re encouraged. Ray deeply appreciates your help in keeping his writing efforts, website, and educational activities afloat. Thanks!)




Baraboo Syncline and Environs, Wisconsin (geology & botany)

Brooklyn, NYC: Prospect Park (botany & geology)

Chicago’s Graceland Cemetery (architectural geology)

Chicago’s Hyde Park Neighborhood (architectural geology)

Downtown Chicago (architectural geology)

Driftless Area of Wisconsin (geology & botany)

DuPage County (geology)

Evanston, Illinois (architectural geology)

Highland Park, Illinois (architectural geology)

Homewood, Illinois (architectural geology)

Illinois Beach State Park  (geology & botany)

Illinois’ North Shore (geology & botany)

Indiana Dunes National Lakeshore (geology & botany)

Indiana Dunes State Park (geology & botany)

Kenosha Dunes Preserve, Wisconsin (geology & botany)

Kenosha, Wisconsin (architectural geology)

Lake Forest, Illinois (architectural geology)

Manhattan, NYC: Central Park (botany & geology)

Matthiessen State Park, Illinois (geology & botany)

McCormick Ravine, Lake Forest, Illinois (botany & geology)

Michigan’s Upper Peninsula (botany & geology)

Minnesota’s Lake Superior Shore / Mesabi Range (geology & botany)

Middlefork Savanna, Lake Forest, Illinois (botany)

Naperville, Illinois (architectural geology)

Northern Iowa and Southern Minnesota (geology & botany)

Northern Minnesota and the Lake Superior Region (geology & botany)

Northwestern Illinois: Rock River Hill Country and the Driftless Area (geology & botany)

Oak Park, Illinois (architectural geology)

Oswego, Illinois (architectural geology)

Racine, Wisconsin (architectural geology)

Rock River Valley, Illinois (geology & botany)

Rockford, Illinois (architectural geology)

Shaw Prairie, Lake Forest, Illinois (botany)

Southern Illinois — Shawnee National Forest and Environs (geology & botany)

Starved Rock & Matthiessen State Parks, Illinois (geology & botany)

Street Tree Botany of Manhattan

Trans-Pecos Texas, including Big Bend and Guadalupe Mountains National Parks (geology & botany)

Winnebago & Stephenson Counties, Illinois (geology & botany)

Wisconsin’s Door Peninsula (geology & botany)

Wisconsin’s Lake Superior Shore (geology & botany)