Franco Banfi / Southern right whale (Eubalaena australis) with patches covered in parasitic crustaceans named cyamids or whale lice (Cyamus ovalis). Golfo Nuevo, Peninsula Valdes, UNESCO Natural World Heritage Site,...

Franco Banfi / South American sea lion (Otaria flavescens) underwater, Golfo Nuevo, Peninsula Valdes UNESCO Natural World Heritage Site, Chubut, Patagonia, Argentina, Atlantic Ocean, October

Konrad Wothe / Ushuaia, Southernmost city of Argentina, Beagle-Channel, Tierra del Fuego, Argentina, South America

Bryan and Cherry Alexander / Rufous collared sparrow (Zonotrichia capensis) in Ushuaia, Argentina.

Bryan and Cherry Alexander / Woman selling knitwear made from Alpaca wool in a craft market close to the harbour. Ushuaia, Antarctica, February 2009.

Bryan and Cherry Alexander / The bust of Adrien de Gerlache, Belgian Polar Explorer, on the seafront at Ushuaia. Argentina, February 2009.

Bryan and Cherry Alexander / Plaque below the bust of polar explorer Adrien de Gerlache, on the seafront at Ushuaia, Argentina, 2009.

Bryan and Cherry Alexander / Modern statue to the Mapuche saint, Manuel Pie de Piedra, by Ellero Jose. Ushuaia, Argentina, 2009. For editorial use only.

John Cancalosi / Rhodochrosite (Manganese carbonate mineral) polished slice of stalactite, Argentina

John Cancalosi / Rhodochrosite (Manganese carbonate mineral) on quartz crystal, Argentina

Roberto Rinaldi / A river flowing on the surface of Perito Moreno glacier, Los Glaciares National Park, Patagonia, Argentina

Roberto Rinaldi / The Perito Moreno glacier ends in Lago Argentino, Argentina, Patagonia, South America