Here is a list of all the unlockable stadiums in the game.

#212 Alamo Bowl
#213 AXA Liberty Bowl
#214 Capital One Bown
#215 Continental Tire Bowl
#216 Cotton Bowl
#217 Fiesta Bowl
#218 Fort Worth Bowl
#219 Gator Bowl
#220 GMAC Bowl
#221 Hawaii Bowl
#222 Holiday Bowl
#223 Houston Bowl
#224 Humanitarian Bowl
#225 Independence Bowl
#226 Insight Bowl
#227 Las Vegas Bowl
#228 Motor City Bowl
#229 Music City Bowl
#230 New Orleans Bowl
#231 Orange Bowl
#232 Outback Bowl
#233 Peach Bowl
#234 Rose Bowl
#235 San Francisco Bowl
#236 Silicon Valley Classic
#237 Sugar Bowl
#238 Sun Bowl
#239 Tangerine Bowl
#240 EA SPORTS Stadium
#241 Tiburon Stadium