The natural grass batter's eye in center field was named for former Arlington Mayor Richard Greene in November 1997.
Opened in 1966 and renovated in 1998, Angel Stadium of Anaheim is the fourth oldest active Major League Baseball stadium. The halo atop the "Big A" lights up after each Angels' victory.
Originally known as SkyDome, Rogers Centre opened in 1989. 70 hotel rooms overlook the field.
The 10,000-gallon Rays Tank, located behind the right-center-field wall, features more than 30 rays that fans can touch and feed during the game.
Miller Park features North America's only fan-shaped convertible roof, which can open and close in less than 10 minutes. Large panes of glass allow natural grass to grow.
The first baseball game ever played at Petco Park, on March 11, 2004, was the first game of a four-team NCAA invitational tournament hosted by San Diego State University.
