There is a 'Train to the Clouds' in Argentina
The Tren a las Nubes, also known as the 'Train to the Clouds', is a tourist train service in Salta, Argentina. The 16-hour train journey travels about 217 kilometres and reaches a height of more than 13,000 feet above sea level. The train, which was originally built to transport goods, crosses about 29 bridges and 21 tunnels during the journey.