3. The Henry Doorly Zoo and Aquarium
Location: Omaha, Nebraska, United States of America
Number of Animal Species: 962
Number of Animals: 17,000
Notable Species: Philippine crocodile, ring-tailed lemurs, scarlet macaws, black howler monkeys, Malayan tapir, jellyfish, sharks, hummingbirds, greater roadrunners, ocelots, fossas, Bengal tigers and polar bears.
Opening: 1894
Features: One of the largest indoor rainforests in the world, the world’s largest indoor desert and the largest glazed geodesic dome on earth.
Size: 130 acres