The title for the most southern functioning train station in the world in 2026 belongs to Cascada de la Macarena Station in Tierra del Fuego, Argentina. This station is the terminus for the Tren del Fin del Mundo (Train at the End of the World), located just outside the city of Ushuaia. Originally built to transport timber and prisoners to and from a penal colony, it now operates as a high-end heritage railway that takes tourists into the Tierra del Fuego National Park. While there are various industrial rail spurs further south for mining or research, Cascada de la Macarena is the southernmost point accessible to the general public via a scheduled passenger rail service. For 2026 travelers, visiting this station is a "bucket list" item that offers spectacular views of the sub-antarctic forest and the Pipo River. A high-value "pro-tip" is to take the "Premium Class" service, which includes a local meal and provides the best panoramic views of the rugged, windswept landscapes at the very tip of the South American continent.