Swimming Pool, 9910 Upper Mill Loop, Bristow, VA 20136, US

Costello Park is a 20-plus-acre park that features a recreation center, community pool, playground, baseball and softball fields, tennis and outdoor basketball courts, covered pavilion and several picnic areas with grills. Its recreation center features an indoor gymnasium, activity room and recreation-meeting spaces. The park s community pool has several race lanes, showers, locker rooms and a covered wading pool. Costello Park also has a stone house that serves as meeting space for various nonprofit organizations of the city. It is located in Manassas Park, Va., and is maintained by the department of parks and recreation.