The Cleveland Museum of Natural History holds five million specimens, protects more than 12,000 acres of natural habitats in Northeast Ohio, and welcomes more than 375,000 visitors each year to see Balto the famous sled dog, Lucy the Australopithecus afarensis, Dunk the Dunkleosteus. Visitors are drawn to Perkins Wildlife Center, the Shafran Planetarium, and many other attractions. Now in he midst of a $150 million, 10-year expansion and renovation transformation, CMNH is preparing for its next century of discovery.