Which ballpark has a row of purple seats marking one mile above sea level?

What plant covers the outfield walls at Wrigley Field? What is the name of the area at Yankee Stadium that honors team legends? 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? In which city is Camden Yards, the ballpark that started the "retro" stadium trend in 1992? Which team plays at Wrigley Field? Which team plays at Fenway Park? Which team plays at Dodger Stadium?