Transcription: The National Museum of Natural History specializes in the natural sciences and human cultures and is also part of the Smithsonian. It presents both permanent and changing exhibits. The central rotunda of the museum is dominated by a mounted African bush elephant. This great figure just inside the entrance is one of the most popular exhibits in the building. The museum's design displays cover not only the natural world but also human cultures. An astonishing item that links both areas is the renowned oak diamond, weighing 45.5 carats. It's said to have a curse that's equally impressive. The lif ...