The Hilton Washington Dulles is two miles from Dulles International Airport in Washington's high-tech corridor, close to business centers, government offices, shopping and the city's sightseeing attractions straight down the tollway and Interstate 66. Guests also are only a half-mile from the Smithsonian's aviation museum and Tysons Corner, Vienna and Reston suburbs. Seventeen miles away, kid-friendly Wolf Trap National Park offers world-renown music and theater for adults and children. Meanwhile,...