This guide is part of our "Known/Unknown" series where we pair an essential Chicago landmark with some more obscure spots nearby. It starts with a leisurely bike ride down the Lakefront Trail where you'll visit a prairie-style garden with iconic views of the Chicago skyline (the "Known"). Afterwards you'll continue on with a peaceful and quiet bike tour through a 121 acre cemetery that's home to the final resting place of famous Chicagoans like Ernie Banks, Jack Johnson, George Pullman, and Louis Sullivan ("the Unknown"). Here are the details.