If your trip to Great Falls is all locked in but your travel itinerary is looking a bit empty, we can give you a helping hand.Great Falls Park and Wolf Trap National Park for the Performing Arts are notable attractions that all serious sightseers should make time to explore. Map out a route and spend a few hours exploring each one.Not far from the city center, Billy Goat Trail is one attraction you might like to consider adding to your to-do list. Colvin Run Mill Park and Reston Zoo are also close by and worth checking out.