Mayor Bill de Blasio and First Lady Chirlane McCray will be hosting the 4th and final art installation entitled "Catalyst: Art and Social Justice."

New York City residents are invited to visit Gracie Mansion for a self-guided tour where they can view the art and learn the history of Gracie Mansion.

Reservations are required and are available on a first-come, first-served basis. You can reserve a time slot between 12 PM and 3 PM to take the 15-minute tour. The last tour will begin at 2:15 PM. You can reserve up to 4 tickets. Your tickets will be sent to the email address you provide.

Tickets may not be sold, assigned or transferred.