Holiday Model Train Display
Watch G-gauge trains wend their way through a miniature western town in the barn at Colvin Run Mill Historic Site from 11 a.m. to 4 p.m. Admission is free. For information, call 703-759-2771.
Dino Puppet Show & Activities
Dinosaurs once roamed the earth, places far and near. How do we know they were here? Enjoy a puppet show along with fun fossil facts at Hidden Oaks Nature Center from 1:30 to 2:45 p.m. The cost is $7 per child. Register online. For information, call 703-941-1065.
What's new in the night sky? Join Huntley Meadows Park naturalists as they take you on a tour of constellations, comets and other current events happening in the heavens above from 5 to 7 p.m. The cost is $6 per person. Register online. For information, call 703-768-2525.