Why exactly does Fenway Park have the Green Monster, anyway?

Red Sox: Boston Strong more than a slogan

Take Your Kids to Fenway for Free

Today in Baseball History: Fenway Park opens - NBC Sports

File:Fenway Park (View from Green Monster) (7186364942).jpg - Wikimedia Commons

Fenway Park view from the Green Monster - Picture of Vacation Village in the Berkshires, Hancock - Tripadvisor

Fenway at 100: Love it, revere it, blow it up

The Fascinating History (& Secrets) of Fenway Park's Iconic Green Monster - FanBuzz

Green Monster –

Fenway Park has come a long way over the past twenty years (Patriots' Day 1994 vs. Patriots' Day 2014) (xpost from r/redsox) : r/baseball

How are the baseballs that are hit over the Green Monster at Fenway Park retrieved? - Quora

Fenway at 100: Love it, revere it, blow it up

File:Fenway Park (7194227996).jpg - Wikimedia Commons

Boston Red Sox fan scales back of Green Monster, enters Fenway Park during game vs. Yankees; now in police custody