5 days will give you plenty of time. If you haven't done so, it'd probably give you enough time to even stop and see some church historical sites. We haven't stopped here but one day we will....https://arkencounter.com/

We did some scout camps in Prince William. I'm from Va Beach. Virginia is a unique state now. Extreme left up North, extreme right out West and Southwest, and a mix in the SE with a very strong military presence. There is a ton to do...beach, mountains, and everything in between. Good luck.