The Raymond M. Alf Museum of Paleontology is part of The Webb Schools and is the only nationally accredited museum of paleontology on a secondary school campus in the United States. The museum has two circular 4,000 sq. ft. exhibition halls and 20,000 unique annual visitors. The collections number about 140,000 specimens, 95% of which were found by Webb students on fossil-collecting trips called “Peccary Trips,” expeditions usually centered in California, Utah, and Montana. The collections consist primarily of vertebrate, invertebrate, and track fossils and the museum's large track collection is widely recognized as one of the most diverse in the world.