When you care enough to play on/in the VERY BEST:
http://en.wikipedia.org/wiki/Lambeau_Field
http://en.wikipedia.org/wiki/Lambeau_Field
Construction cost$960,000
($4.63 million in 2012 dollars[2)
$295 million (2003 Renovation)
($373 million in 2012 dollars[2])
They still had glaciers up there when they first opened Lambeau Field!
Still there!