Spanning more than 18 kilometres (11 miles), the Fehmarnbelt tunnel will dramatically reduce journey times between Scandinavia and mainland Europe. Danish planning firm Femern has described the tunnel ...

Both Norway and Germany are building underwater megaproject tunnels, and it appears to be a trend with a third in the works.

Dozens of rail routes launched in recent years are making it easier to journey across European country borders. But a newly announced proposal from a Copenhagen-based think tank has a much more ...