Loading view. There were no results found. There were no results found. Manassas Museum Lawn Events Venues Manassas Museum Lawn 9101 Prince William Street Manassas, VA 20110 United States Get Directions Events at this venue Today Upcoming Upcoming Select date. Condense Events Series Previous Events Today Next Events Subscribe to calendar Google Calendar iCalendar Outlook 365 Outlook Live Export .ics file Export Outlook .ics file