ABQ BioPark Zoo, located in Albuquerque, New Mexico, is a facility of the Albuquerque Biological Park. Founded in 1927, the 64-acre zoo was originally known as the Rio Grande Zoo. Sections of the zoo include an Africa exhibit area, an Australia exhibit area, the "Cat Walk" and a herpetology area. An endangered species carousel was added in 2016. A narrow-gauge railroad connects the zoo to the other facilities of the Albuquerque Biological Park. Walking distance through the zoo is 2.27 miles.