Arizona Cardinals University of Phoenix Stadium Glendale, AZ Capacity: 63,400 Opened: August 12, 2006 Cost: $455 Million http://www.azcardinals.com

San Francisco 49'ers Candlestick Park San Francisco, CA Capacity: 70,207 Opened: October 10, 1971 Cost: $15 Million http://www.49ers.com

St. Louis Rams Edward Jones Dome St. Louis, MO Capacity: 66,000  Opened: November 12, 1995 Cost: $280 Million http://www.stlouisrams.com

Seattle Seahawks CenturyLink Field Seattle, WA Capacity: 67,000 Opened: September 15, 2002 Cost: $360 Million http://www.seahawks.com