From cavernous halls painted in reds and oranges to full-room murals, rainbows and giant ears, Stockholm's underground rail network features unique works of public art at more than 90 of its stations.

We've crunched the numbers and on average it costs £80 per day to rent a car at Stockholm Central Station. The cheapest price we found was £44 per day. Got a specific time of year in mind to hit the ...