Patagonia - this enormous region south of Buenos Aires province features a glacier-dotted mountainous interior, unique coastal wildlife and Andean national parks. Península Valdés is a special treat for lovers of wildlife.
The Perito Moreno Glacier of Santa Cruz is a 60m (197ft)-high river of rising, toppling and exploding ice, though it hasn't advanced for several years. Carmen de Patagones is a beautiful colonial city and there are unexpected vestiges of the area's previous Welsh inhabitants.