Henry Doorly Zoo and Aquarium

Omaha's Henry Doorly Zoo and Aquarium is a zoo in Omaha, Nebraska. It is accredited by the Association of Zoos and Aquariums and a member of the World Association of Zoos and Aquariums. In August 2014, TripAdvisor rated it the "world's best zoo", ahead of the San Diego Zoo and Loro Parque, based on an algorithmic assimilation of millions of reviews for 275 major zoos worldwide.The zoo is known for its leadership in animal conservation and research. Evolving from the public Riverview Park Zoo established in 1894, today the zoo includes several notable exhibits. "Kingdoms of the Night" is the world's largest nocturnal exhibit and indoor swamp, the "Lied Jungle" is one of the world's largest indoor rainforests, and the "Desert Dome" is one of the world's largest indoor deserts, as well as the largest glazed geodesic dome.The zoo's mission includes four pillars, "Conservation, Research, Recreation, and Education" which are represented by the four squares in the logo.

Source: Wikipedia