San Carlos de Bariloche (commonly called Bariloche), in Argentina’s Patagonia, is a town bordering Lago Nahuel Huapi, a large glacial lake surrounded by the snow-crowned Andes. It's known for its Swiss alpine architecture and its chocolate, sold in shops lining Calle Mitre, the main street. It's also a popular base for hiking and skiing the nearby mountains and exploring the surrounding Lakes District.