The Field Museum of Natural History, aka The Field Museum, is one of the largest such museums in the world and it maintains its status as a top natural history museum through the size and quality of its cultural and scientific programs, as well as its extensive scientific specimen and artifact collections. The distinct, high-quality permanent exhibitions, which attract up to two million visitors annually, ranging from the earliest fossils to past and current cultures from around the world to interactive programming demonstrating today's urgent conservation needs, is named after its first major benefactor, Marshall Field.