But a newly announced proposal from a Copenhagen-based think tank has a much more ambitious ... a Europe-wide high-speed rail network that would function like a metro or tube system. Named Starline, ...

Transportation: Copenhagen has my favorite metro system in all of Europe. The city itself is pretty walkable, but their train line is *chef kiss* you’ll find yourself using it multiple times a day.

Rates start at 26 kroner ($3.80) for 30 minutes. Copenhagen updated its public transportation system to include the Metroselskabet metro system, which has made getting around even easier.