Yankee Stadium monuments. (They were in play).

Songs Open Doors to the Inner Sanctum - The New York Times

New York Yankees: Memorable Memorial Day Performances, News, Scores, Highlights, Stats, and Rumors

Yankee Stadium's 100th anniversary to be marked Tuesday

Yankee Stadium Tour Review: Exploring an Iconic NYC Landmark - New York City Article - Citiview Travel Guide

Yankee Stadium Might Be the 2008 All-Star Game's Biggest Star - The New York Times

Hank Aaron reflects on career, Yankee Stadium

Step Inside: Yankee Stadium - Home of the New York Yankees & NYCFC - Ticketmaster Blog

Yankee Stadium, Bronx NY – Baseball Travels

yankees-great-mariano-rivera-gets-monument-park-plaque

HALLOWED GROUND: Monument Park, New York Yankees Museum honor greatest players from most legendary team in sports - Sports Collectors Digest

New York Yankee Bobby Murcer Goes Between Monuments To Field Ball!

This Day in Yankees History: Team signs lease to stay in the Bronx - Pinstripe Alley

The Greedy Pinstripes: The Yankee Stadium Experience - Part One: Monument Park

Aaron Judge knows October is when Yankees earn their way into Monument Park – New York Daily News

Yankee Stadium - All You Need to Know BEFORE You Go (with Photos)