“A Very Retro Christmas” is the theme this year. Reminisce amid a vintage Christmas street scene, make new memories amid dazzling, vibrant light displays—including some super-sized surprises—and revel in the radiance of retro at every turn. 1001 Longwood Rd., Kennett Square. $16–$30. Timed tickets req. LongwoodGardens.org.

Explore the house decorated in all its finery with its signature traditions including the dried flower tree, artistic Christmas trees inspired by Ann Lowe gowns and a spectacular table set for Christmas dinner. 5105 Kennett Pk. (Rt. 52), Winterthur, DE. Timed tickets required. Winterthur.org.

This iconic O-gauge model train display features trains running on 2,000 feet of track and includes locomotives, passenger and freight trains, and trolleys that pass through a small village, a farm, factories, a drive-in movie theater and even a carnival. Brandywine River Museum of Art, 1 Hoffman’s Mill Rd., Chadds Ford. Daily, 9:30 to 5. […]