Annual “Christmas in the Air”: Santa Arrives by Plane!  The Empire State Aerosciences Museum celebrates the Holidays when Santa flies in from the North Pole. Gates open at 10 a.m. at the Museum at 250 Rudy Chase Drive, Glenville.

Holiday Wreath Workshop with Cornell Master Gardener, Chris Kirksey.  Join Chris as he teaches his technique for making wreaths in a variety of sizes, using your choice of interesting and varied decorations. Tickets are $80, include all materials,  and are available at schenectadyhistorical.org/programs. 10 a.m. to 12 p.m. at Brouwer House, 14 N Church St, Schenectady, 12305

Holiday American Girl Tea.  Our Festival of Trees will be in full swing, making a glittering holiday backdrop for the occasion. We’ll have baked goods and stories to share, and make a wintry craft to take home. Our host will be Samantha. $8/person for children and adults, available at schenectadyhistorical.org/programs. 2 p.m. at 32 Washington Ave. Schenectady, 12305

Wintertide Tours.  Enjoy the spectacularly decorated Mabee House this season. It's, warm, cozy, and will be filled with good cheer, hot cider, and sweets. Included with regular admission to the site ($10, or free for members). December 14 & 21 at 11 a.m. at 1100 Main Street Rotterdam Junction, 12150

Christmas Carol Sing at Onesquethaw Reformed Church. Join us to sing Christmas Carols and enjoy a light buffet of finger foods. Please bring an appetizer or light dish to share.  Beverages and Christmas Cookies will be provided. From 5:30 to 7:30 p.m. 11 Groesbeck Rd., Feura Bush, NY.

Wreaths Across America. Will be held at 12 p.m. at the Westerlo Rural Cemetery Route 143 in Westerlo.

Holiday Hilltown Market. Enjoy live music, free refreshments, and fabulous holiday shopping for locally harvested treats and handcrafted gifts. 10 a.m. to 4 p.m. at Octagon Barn, 588 Middle Road, Knox (Delanson) 12053. Visit with Santa at noon. 518-618-5376.

Delmar Fair Trade Market. The 10th Annual Black Friday Fair Trade Market, a two-day event, will open its doors Nov. 29 and 30 from 10 a.m. to 3 p.m. at Delmar Presbyterian Church, 585 Delaware Ave., Delmar.

Giant model train show at the Empire state convention center.  $7 adults.

Discover the Pine Bush. Our experts will guide you along this 0.9-mile hike over rolling sand dunes where you will discover Pine Bush natural history and seasonal surprises and transformations. Reservations 518-456-0655. 1 p.m. at Albany Pine Bush Discovery Center, 195 New Karner Road, Albany, NY