The Dallas World Aquarium is a for-profit aquarium and zoo located in the West End Historic District of Dallas, Texas, USA. It aids conservation and education by housing many animals that are threatened or endangered as part of a cooperative breeding program with other zoos around the world. It has been an accredited member of the Association of Zoos and Aquariums since 1997 and is a member of the World Association of Zoos and Aquariums.