Australian photographer Elliot Davis was part of the first ever group of foreigners given access to all stations across both lines of the Pyongyang Metro. It may sound as not a big deal, but before access to the Pyongyang Metro was restricted for foreigners, they could visit only 2 stations. The North Korean subway is quite different from all those you see in the US or France etc. Check it out.
Just recently we have made a post about the cheapest holiday destinations in the world, now it's about the most expensive ones.