Christmas Fest & Live Nativity. Arcola UMC, 24757 Arcola Mills Dr., Dulles, VA 20166. Friday, December 13; 5-8:30 PM. An evening of holiday joy to include a live nativity, Christmas performances, Food trucks, Crafts and Games, photos with Santa & Mrs. Claus, and much more. This is an event for the entire family! For any questions, please contact [email protected].