Give Mom the Weekend She Deserves. Art, dining, shopping, and more—we’ve got everything planned for her special day. However you celebrate, there’s something here for every mom and every family. Alex Katz: Theater and Dance — 2 for 1 Tickets | Mimosas & Brunch — Sunday, May 10 | 11 AM–2 PM | Museum Store Weekend Offer: 30% off any one item | Mini Used Book Sale — Saturday, May 9 | 10 AM – 3 PM