One of the leading nature and science museums in the U.S., the Denver Museum of Nature and Science boasts over one million objects in its collection. The collection includes important archeological artifacts such as the original Folsum arrow point, dinosaur and fossil exhibits, the renowned Crane Native American collection, extensive bird and mammal collections from the Western U.S., Egyptian mummies, and gold and minerals from around the world. In addition there are numerous temporary exhibits. Major exhibits in 2007 are "Benjamin Franklin: In Search of a Better World" on the Tercentenary of Franklin's birthday and "Titanic: The Artifact Exhibition". Also located within the facility are the Phipps IMAX Theater and the Gates Planetarium.