Features Omnitheatre and 3D Cinema, Human Body Gallery, complete with cell lab and bloodstream superhighway, Dinosaurs and Fossils Gallery, Mississippi River Gallery with authentic, climb-aboard towboat, Collections Gallery showcasing museum treasures and mummies, Experiment Gallery with hands-on activities, Science House, a building that heats, cools, and powers itself with electricity created from sunlight, and Big Back Yard, a seasonal outdoor gallery featuring earthscapes, mini-golf and more.