ocr: VISITOR SERVICES Dial-A-Park: Recorded information on current park events in the Washington area. (202) 619-PARK. lourmobile Sightseeing Services: (202) 554-7950. Metrobus and subway schedules: (202) 637-7000. Washington Convention and Visitors Association: 1455 Pennsylvania Ave., NW. (202)789-7000: Internet Kesources For more intormation on Washington D.C., try: wwwapsgov/pankshiml www.dchomepage.net Formore intormation on the Smithsonian Institution, try: Www.si.edu