Smithsonian’s National Air and Space Museum Steven F. Udvar-Hazy Center gives kids the chance to try a flight simulator or take in the latest IMAX spectacle, while DC’s International Spy Museum is the perfect place to sneak away for Operation Secret Slumber and other adventures. Come summer, water parks are sure to be a splash hit. Among the area's affordable options: Centreville’s Atlantis Waterpark (ancient Greece theme), Pirate’s Cove Waterpark in Lorton (dig for buried treasure or steel yourself beneath a 300-gallon dumping bucket), SplashDown Waterpark in Manassas (cannonball slides and a 770-foot lazy river), Great Waves in Alexandria (a wave pool and four-story water slides) and Reston’s Water Mine Family Swimmin’ Hole (home to more than an acre of slides, flumes, showers and other fun). Fairfax County is the ideal base camp for a visit to Washington, DC DC VISITORS Fairfax County is the ideal base camp for a visit to Washington, DC, putting the capital’s latest exhibitions, shows, famed memorials and iconic architecture right at your fingertips. Must-see museums include the American Art Museum, the Newseum or one of the city’s dozens of other museums and galleries > Smithsonian's National Air and Space Museum Steven F. Udvar-Hazy Center Fairfax County Visitors Guide 37