Experience one of the World's greatest fossil treasures, Tour this ancient sinkhole and stand on the edge of discovery. See an active paleontological excavation of Ice Age Animals. This 41,000-square-foot mammoth research center is recognized world-wide for its interpretation and exhibits. A must for families with hands-on exhibits. All New for 2015 - Learning Center, Two 53-Seat Theaters, HD Introductory Video, Wireless TourGuide System, Exhibit/Gathering Area, and Universally Accessible Walkways.