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, the MetLife Clock Tower and many more. 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).