What is the name of the area at Yankee Stadium that honors team legends?

Which ballpark is the oldest in MLB, opened in 1912? Which ballpark, opened in 1914, is the second-oldest in MLB? What is the name of the tall left-field wall at Fenway Park? What plant covers the outfield walls at Wrigley Field? What was the original Yankee Stadium nicknamed? What is the name of the body of water beyond the right-field wall at the Giants' ballpark in San Francisco? Which ballpark has a row of purple seats marking one mile above sea level? In which city is Camden Yards, the ballpark that started the "retro" stadium trend in 1992?