Rare albino Galapagos giant tortoise born at zoo in Switzerland

Indianapolis Zoo reveals brand new giant tortoise sanctuary

Tortoises munch on watermelon at their new home

Zoo Knoxville celebrates 50 years with Big Al

'Big Al,' a tortoise who's around 150 years old, returns to Zoo Knoxville exhibit from winter break

Meeting AJ and the giant tortoises | Inside the Indianapolis Zoo