Pumpkins of all sizes are available at Johnson's Pumpkin Farm, 4715 N. Portsmouth in Buena Vista Township, as seen in this file photo. From a Taylor Swift album release party to a classic car show in Auburn, there’s bound to be something for everyone to enjoy this weekend. International Observe the Moon Night with Longway PlanetariumLocal skywatchers will have the chance to explore the moon up close during International Observe the Moon Night, a global celebration of lunar science, exploration, and culture. The free event is recommended for ages 10 and up, with preregistration required by Friday. Johnson’s Pumpkin Farm, located at 4715 N. Portsmouth Road in Saginaw, is open daily through Oct. 31, Halloween.