8. The Bronx Zoo
Location: The Bronx, New York City, New York, United States of America
Number of Animal Species: 650
Number of Animals: 6,000
Notable Species: Western lowland gorillas, okapis, otters, gibbons, tapirs, scorpions, Kihansi spray toads and Chinese yellow-headed box turtles.
Opening: 1899
Features: 4D movie theatre, butterfly garden and insect conservatory.
Size: 265 acres