Hispanic Heritage Festival Sponsored by Small Business Development Center and UNIDOS Hours - 12:00noon to 6:00pm. No fee. Activities include music, food, children's events Located at War Memorial Park, Martinsburg, WV. Directions to War Memorial Park: From Interstate 81, take Exit 13 (King Street) Turn East toward Martinsburg Continue several blocks until you see Eddie's Tire on the left Just before Eddie's Tire is Tennessee Avenue Turn left onto Tennessee Avenue War Memorial Park is less than a mile on the left.