The longest underwater tunnel in the world is being build between Germany and Denmark and it will be made up of 89 segments ...

The Gotthard Base Tunnel is an engineering marvel, holding the title as the world's longest and deepest railway tunnel - but ...

The Gotthard Base Tunnel in the Swiss Alps is the world's longest and deepest railway tunnel, spanning the 35.5-mile distance ...

The Gotthard Base Tunnel currently holds the world record for being the world's longest and deepest railway tunnel, spanning the 35.5-mile distance between the cantons of Uri and Ticino.

The Gotthard Base Tunnel holds the world record as the longest and deepest railway tunnel, spanning 35.5 miles between the cantons of Uri and Ticino. This makes it incredibly useful for tourists ...

Japan boasts the world's longest underwater tunnel, which stretches for more than miles under the seabed of the Tsugaru Strait, but it's now barely being used. Work on the Seikan Tunnel was completed ...

THE world’s biggest underwater “Lego tunnel” will soon be dunked into the ocean to create a bustling connection between Denmark and Germany. The $7billion mega-project will ...

Here’s a list of the top 10 longest railway tunnels in the world, showcasing the incredible feats of human innovation: The Gotthard Base Tunnel holds the title of the world’s longest railway ...

PLANS for the world’s first ship tunnel which will pass through treacherous coastlines and dodge deadly waters are back on ...

Whizz through the world's longest and deepest railway tunnel that's only a couple of hours from the UK. With a staggering route length of 57.09km and an underground depth of 2,400 metres ...

THE world's tallest and longest tunnel slide is set to reopen in London - and it's just in time for the half-term holidays. The Olympic Park’s iconic ArcelorMittal Orbit closed at the beginning ...

Think about it: a trip from Copenhagen to Hamburg will be cut from 4.5 hours to just 2.5 hours. That opens up so many ...