Stretching 18 km between Denmark and Germany, this €7bn immersed tunnel is the world’s longest road and rail link. By 2029, ...

The tunnel connects two beautiful islands and is even longer than the Channel Tunnel.

Travellers venturing to the Faroe Islands might be taken aback to discover the world's first underwater roundabout during their visit. The roundabout sits within the Eysturoy Tunnel, which was ...

The Fehmarn Belt Fixed Link is an immersed tunnel set to link the Danish island of Lolland with Germany's Fehmarn island.

The Fehmarn Belt Fixed Link is an immersed tunnel that will connect the island of Lolland, in Denmark, with the island of ...

This incredible project took five years and cost an eyewatering £2.5 billion to build.

The remarkable tunnel beneath the Baltic Sea, expected to become one of the world's longest underwater structures, is due for ...