Photo courtesy of the National Park Service. Marching Bear Group. Photo courtesy of the National Park Service. BY ANDREW MORKES, FOUNDER AND AUTHOR OF “NATURE IN CHICAGOLAND” UPDATED 2025 Where: Northeastern Iowa. The monument is located three miles north of Marquette, Iowa, on Highway 76.Phone: 563/873-3491, ext. 123 (visitor center front desk)Web, FacebookDistance From Downtown Chicago: … Continue reading Effigy Mounds National Monument: Massive Bears, Stunning Views, and Thousands of Years of Native American History