We also live in NOVA and have liked the following (drive to) places when our ids were young: Wllmbg (Greensprings, Marriott, Gov Green), Smugglers Notch (VT), Hilton Head (gentle waves, wide beaches, awesome shaded bike trails)-we much prefer over MB, Massanutten, and one diamond in the rough Presidential Resort in Chancellorsville (2Br cabins on a lake in a campground/RV place). My kids LOVED this place--fishing, canoeing, putt-putt, large gymnasium, activities, crafts. Sort of rough, IMHO, but we liked it enough to buy a summer week and spent 5 years going here until my kids hit the teens years and then were bored (so we gave our week away). We also love Orlando--it's a 2 day drive for us. You an also take the autotrain--we used to do one way and drive back up.