The American Museum of Natural History is a popular attraction and one of the largest natural history museums in the world. The museum houses a vast collection of artifacts, displays and exhibits, all geared to reveal secrets of the beautiful natural world. The visit begins with skeletons and life-size replicas of elephants, dinosaurs and other extinct creatures, which welcome you as you enter the main hall. Other points of interest include the Hall of Human Biology and Evolution, the Hall of Meteorites, a vast collection of gemstones, an IMAX theater and the Rose Center for Earth and Space planetarium shows (at extra cost), as well as a research library. The museum offers a number of specially customized public and group tours as well as educational programs and trips, enabling visitors to explore the exhibits in detail.