US Stadiums...

https://en.wikipedia.org/wiki/List_of_current_National_Football_League_stadiums#List_of_current_stadiums

https://en.wikipedia.org/wiki/Soldier_Field ,
http://football.ballparks.com/NFL/ArizonaCardinals/newindex.htm

http://jrrny.com/wp-content/uploads/journeys/BigAl/6cbbb1299a620e6a4894ef75ed2f7c31.jpg ,
http://football.ballparks.com/NFL/ChicagoBears/newindex.htm ,
http://www.stadiumsofprofootball.com/stadiums/old-soldier-field ,

https://upload.wikimedia.org/wikipedia/commons/a/a9/Soldier_Field_Chicago_aerial_view.jpg

http://football.ballparks.com/NFL/SeattleSeahawks/newindex.htm

http://football.ballparks.com/NFL/PhiladelphiaEagles/newindex.htm