 The museum opened on January 1, 1842.Its attractions made it a combination zoo, museum, lecture hall, wax museum, theater and freak show, in what was, at the same time, a central site in the development of American popular culture.Barnum filled the American Museum with dioramas, panoramas, "cosmoramas", scientific instruments, modern appliances, a flea circus, a loom powered by a dog, the trunk of a tree under which Jesus’ disciples sat, an oyster bar, a rifle range, waxworks, glass blowers, taxidermists, phrenologists, pretty baby contests, Ned the learned seal, the Feejee Mermaid (a mummified monkey's torso with a fish's tail), midgets, Chang and Eng the Siamese twins, a menagerie of exotic animals that included beluga whales in an aquarium, giants, Native Americans who performed traditional songs and dances, Grizzly Adams's trained bears and performances ranging from magicians, ventriloquists and blackface minstrels to adaptations of biblical tales and "Uncle Tom's Cabin".