Home to more than 40,000 artifacts and 50,000 photographs, it documents BYU's archaeological research.[49] The BYU Museum of Paleontology[50] was built in 1976 to display the many fossils found by BYU's James A. Jensen. It holds many vertebrate fossils from the Jurassic and Cretaceous periods, and is one of the top five vertebrate fossil collections in the world from the Jurassic.