Directions to the Planetarium 1426 N Quincy St, Arlington, VA 22207 The David M. Brown Planetarium is located on the campus of Washington-Liberty High School. The planetarium is approximately a 15 minute walk from either the Ballston or VA Square/GMU Metro stations. There is free parking available during non-school hours. ![]() Detailed Directions and Map: The planetarium is located on the campus of Washington-Liberty High School in Arlington, VA, next to the W-L Annex building. It is also near the W-L Aquatics Center. There is free parking adjacent to the planetarium during non-school hours. The entrance for the parking lot is located on Quincy St, close to the I-66 overpass. Traffic flows one way through the parking lot past the planetarium. Please note that the parking lot entrance at 14th St is primarily for the aquatics center, and only provides access to the parking spaces next to the pool. Do not park in spaces reserved for the aquatics center when the pool is open. From I-66 Heading East: From I-66 Heading West: From Route 50 Heading East: From Route 50 Heading West: From Langston Blvd:| From George Washington Parkway: |