Trans-Siberian Railway, Russia - The Trans-Siberian Railway with its impressive 9.289 km (5.772 mile) length is the longest railway in the world. It connects Moscow with the Russian Far East, Vladivostok passing through a whole continent plus there are connecting lines into Mongolia, China and North Korea. The endless route passes by the largest lake on Earth, the Lake Baikal.
Northern Gobi Desert, Mongolia Mongolia Mongolia is a landlocked country in East and Central Asia. It is bordered by Russia to the north and China to the south, east and west. Ulan Bator, the capital and also the largest city, is home to about 45% of the population. Wikipedia