http://www.driveinmovie.com/mainmenu.htm
Check the site above to see if you have a drive-in theater near you. They are slowly disappearing due to lack of support. Most people these days have never been to a drive-in and don't know how much fun they are.
For you potheads, you can can smoke pot and watch a movie.
For you drunk, you can drink a watch a movie.
For the rest of you perverts, you can have sex in public while you watch a movie.