Cerro Azul, Isabela Island, Galapagos Islands

A giant tortoise subspecies (Geochelone nigra vicina) lives on Isabela Island in the Galapagos. Cerro Azul, estimated to be about 350,000 years old, is one of six volcanoes on the island.

Giant tortoise habitat on Galapagos Islands.
Credit: 

Michael Lang/Smithsonian Institution