Kualoa Ranch, a Windward Oahu visitor attraction that has also served as a filming location for such movies as "Jumanji" and "Jurassic World," is planning to build a number of improvements, including an expanded visitors' center, a new retail building, new tour depots and more than 7,000 square feet of office space. The improvements are planned for 12.8 acres of the 3,850-acre ranch located along the Windward Coast between Kaneohe and Kaaawa, according to a draft environmental assessment...