[Diorama at the American Museum of Natural History.]

[Hippopotamus diorama at the American Museum of Natural History.]

[Diorama at the American Museum of Natural History.]

[Ostrich diorama at the American Museum of Natural History.]

200 Central Park West. American Museum of Natural History. African Hall, elephant

[Dinosuar fossils at the American Museum of Natural History.]

[Tyrannosaurus rex fossils at the American Museum of Natural History.]

200 Central Park West. American Museum of Natural History. Interior, dinosaurs

200 Central Park West. American Museum of Natural History. Interior, African Hall, gorilla

200 Central Park West. American Museum of Natural History. Hayden Planetarium. Staff member at work

American Museum of Natural History.

200 Central Park West. American Museum of Natural History. Hayden Planetarium. Exterior

[American Museum of Natural History.]

200 Central Park West. American Museum of Natural History. Hayden Planetarium, Hall of the Sun

[American Museum of Natural History.]

200 Central Park West. American Museum of Natural History. Interior, entrance vestibule

200 Central Park West. American Museum of Natural History. Interior, planetarium [Zeiss projector.]

200 Central Park West. American Museum of Natural History. Interior, east hall lobby

200 Central Park West. American Museum of Natural History. Hayden Planetarium. Staff members at work

American Museum of Natural History