Pete Oxford / Ferns growing through cool, cracked pahoehoe lava, Santiago Island, Galapagos Islands, Ecuador

Pete Oxford / Lava Cactus (Brachycereus nesioticus) grows in an arid zone of cool lava, ash and cinder, Santiago Island, Galapagos Islands, Ecuador

Pete Oxford / Manzanillo (Hippomane mancinella) and Palo Santo (Bursera graveolens) trees growing on cool lava field, Santiago Island, Galapagos Islands, Ecuador

Pete Oxford / Cool pahoehoe lava and cactus, Santiago Island, Galapagos Islands, Ecuador

Pete Oxford / Domestic Cattle (Bos taurus) being herded by Chagra cowboys at a hacienda during the annual overnight cattle round-up, Andes Mountains, Ecuador

Tui De Roy / Marine Iguana (Amblyrhynchus cristatus) is washed ashore by wave action onto steaming new lava flow, Cape Hammond, Fernandina Island, Galapagos Islands, Ecuador

Tui De Roy / Galapagos Penguin (Spheniscus mendiculus) suffering from the heat of a volcanic eruption, Cape Hammond, Fernandina Island, Galapagos Islands, Ecuador

Tui De Roy / Galapagos Giant Tortoise (Chelonoidis nigra) amid steaming fumaroles, caldera rim, Alcedo Volcano, Isabella Island, Galapagos Islands, Ecuador

Tui De Roy / Galapagos Hawk (Buteo galapagoensis) perched on rocks near sulphur fumaroles, Alcedo Volcano, Isabela Island, Galapagos Islands, Ecuador