The Phantom of the Opera, already the longest-running musical on Broadway, hit another milestone this weekend when it celebrated its 20th anniversary performance. No other Broadway show in history has reached the 20-year mark. This is yet another in a long list of impressive stats for Phantom, which includes seven Tony Awards, nearly $700 million in ticket sales, and the longest-running touring production of a Broadway show. To get discount tickets to see this Broadway legend, click here.