St. Louis Science Center
Energizer Ball Machine in the lobby of the main building.
The Saint Louis Science Center in Forest Park is among the largest of its type in the country. The 300,000 square foot complex includes a science museum, planetarium and Omnimax movie theater. Major exhibits include the Ecology and Environment Gallery, dinosaur habitat, Structures Gallery, Makerspace and Flight! Gallery. All three floors of the main building showcase the Energizer Ball Machine, which is three stories high.
Boeing Hall, opened in 2011, has 13,000 square feet of space for traveling exhibitions. GROW, which opened in 2016, is a permanent indoor/outdoor exhibit dedicated to the experience of the journey of the food supply from farm to fork. McDonnell Planetarium is fitted a Zeiss Universarium Mark IX star projector, capable of projecting over 9,000 stars onto a dome 80 feet in diameter. The planetarium also contains related exhibits on astronomy, aviation, and space travel.
Admission to the science center is free.