Photo: Hbodine, CC BY-SA 4.0 Free viewpoints in Chicago
Photo: Hbodine, CC BY-SA 4.0 
Photo: ajay_suresh, CC BY 2.0 Chicago Riverwalk
Free, always
Photo: Chris6d, CC BY-SA 4.0 Oak Street Beach
Free, always
Photo: Sea Cow, CC BY-SA 4.0 Northerly Island
Free, always
Photo: Sea Cow, CC BY-SA 4.0 Adler Planetarium skyline view
Free, always
Photo: Alanscottwalker, CC BY-SA 3.0 North Avenue Beach
Free, always
Photo: Kim Scarborough, CC BY-SA 2.0