Located in Lansdowne, Va., the National Conference Center has a new 16,000-square-foot ballroom with space for 1,800 guests. Recent renovations added the ballroom as well as 26,750 square feet of space to the center. The conference center offers 250 meeting rooms and 917 guest rooms. Surrounded by 110 acres, the venue has trails for running, walking or biking, as well as a rope course and other team-building programs. For more information, call 703/724-5137 or visit www.conferencecenter.com.