Kevin Schafer / Galapagos Sea Lion (Zalophus wollebaeki) and tourist, Sullivan Bay, Hood Island, Galapagos, Ecuador

Patrick Morris / Lava flow, Sullivan Bay, Santiago Is, Galapagos

Michio Hoshino / Sullivan Bay, Santiago Island, Galapagos Islands, Ecuador

Tui De Roy / Volcanic cones surrounded by pahoehoe lava flow, Sullivan Bay, Santiago Island, Galapagos Islands, Ecuador

Tui De Roy / Visitor admiring classic summit view of Pinnacle Rock and volcanic landscape, Bartolome Island, Galapagos Islands, Ecuador