The image shows a skull of a dinosaur displayed in a glass case. The skull is of a T-Rex, also known as a tyrannosaurus rex, and is displayed in the National Museum of Natural History in Washington, DC. It is a large, elongated skull with sharp teeth and a pointed snout. The bones are a light brown color and appear to be aged and weathered. The display case is made of glass and is located in a museum with other exhibits visible in the background.