Join a free historic walking tour of the Flatiron district, led by professional guides this Sunday at 11 a.m. Learn more about the world famous Flatiron building, and other notable architectural icons, including New York Life Insurance Building and the MetLife Clock Tower from 1909. Discover where the first Madison Square Garden was located, and learn about the evolution and transformation of one our country’s most recognizable neighborhoods. Ninety-minute walking tours take place year-round every Sunday, rain or shine, and meet at the southwest corner of Madison Square Park (in front of the William Seward statue) at 23rd Street and Broadway. No advance registration is required. Tours are sponsored by the Flatiron/23rd Street Partnership Business Improvement District (BID).