How many properties are maintained by the amusement park corporation that first screened the film The Sensorium in 1984?
Six Flags Six Flags, officially Six Flags Entertainment Corporation, is an amusement park corporation based in the United States, with properties in the US, Canada, and Mexico. It is the largest amusement park company in the world, based on the number of properties owned, and is ranked sixth in terms of attendance. The company maintains twenty properties throughout North America including theme parks, thrill parks, water parks, and family entertainment centers. In 2016, Six Flags properties hosted over 30.1 million guests.
Showcase Cinemas Showcase Cinemas is a movie theater chain owned and operated by National Amusements. It operates more than 950 indoor screens, with 32 theater locations in the United States and a number of other theaters across the United Kingdom, Brazil, and Argentina.