CAT Argentina ecology tours take you to some of the most pristine wilderness regions in the world. The vast frozen ice fields and glaciers of Antarctica are one of the world’s most precious natural habitats and it is a rare privilege to experience their silent beauty. Class Adventure Travel offers luxury Argentina eco-tour packages throughout Patagonia, including whale watching and wildlife spotting in the Valdes Peninsula, trips to the Lake District and the Tierra del Fuego and glacier discovery tours in Patagonia and Antarctica.