Each year by driving through Bull Run Regional Park in Centreville. You'll find more than two miles of lighted entertainment, including lit displays of Noah's Ark, Santa's Woods, and Angel's Playground. Open every night—except New Year's Eve—from 5:30 to 10:30. Each carload of visitors is $12; commercial vans (15 to 34 people) are $25, and buses (holding 35 or more) are $50. Discount coupons are available on the show's Web site.