The Saint Louis Science Center, founded as a planetarium in 1963, is a collection of buildings including a science museum and planetarium in St. Louis, Missouri, on the southeastern corner of Forest Park. With over 750 exhibits in a complex of over 300,000 square feet, it is among the largest of its type in the country, and according to the Association of Science and Technology Centers, is one of the top 5 science centers in the United States.