Ushuaia is a resort town in Argentina. It's located on the Tierra del Fuego archipelago, the southernmost tip of South America, nicknamed the “End of the World.” The windswept town, perched on a steep hill, is surrounded by the Martial Mountains and the Beagle Channel. It's the gateway to Antarctica cruises and tours to nearby Isla Yécapasela, known as “Penguin Island” for its penguin colonies.