[In-person tour] The peaceful blocks that extend east from Gramercy Park feature groups of mid-19th and 20th century structures that are frequently ignored by New Yorkers. Call this quiet neighborhood what you will, architectural historian Matt Postal highlights notable buildings in the Stuyvesant Square Historic District, significant commercial structures adapted to residential use, and sites associated with leading cultural figures, such as Antonin Dvorak, Amedee Ozenfant, and Lionel Feininger. For all tours, there are no refunds, cancellations, or exchanges unless we cancel a tour. Online registration closes one hour prior to the tour start time.