Soldier Field and BMO Field

https://en.wikipedia.org/wiki/Soldier_Field

https://upload.wikimedia.org/wikipedia/commons/a/a9/Soldier_Field_Chicago_aerial_view.jpg-
https://en.wikipedia.org/wiki/Soldier_Field#Renovation_and_landmark_delisting-
https://en.wikipedia.org/wiki/Soldier_Field#Public_transportation

https://en.wikipedia.org/wiki/BMO_Field

https://en.wikipedia.org/wiki/BMO_Field#Attendance_records

https://upload.wikimedia.org/wikipedia/commons/2/29/TheEXCNE.jpg-
https://en.wikipedia.org/wiki/Exhibition_Place#Sports_venues

https://en.wikipedia.org/wiki/Exhibition_Place#Transportation

http://forums.redpatchboys.ca/showthread.php?11183-Bmo-Field-Expansion&s=97453f18b3a1f978ed68193dcf0f4bb4