Switzerland’s Gotthard Base Tunnel is the longest railway tunnel ever built, but it’s part of a global race to carve faster rail routes through mountains and under oceans. This video counts down the ...

One of the 20th century's most remarkable underground tunnels was engineered to endure powerful earthquakes while linking two beautiful islands.

We explore how Switzerland carved the deepest and longest railway tunnel on Earth straight through the heart of the Alps. We follow the centuries-old struggle to cross this mountain barrier and the ...

Engineers constructing a tunnel for HS2 beneath the Chiltern Hills near Great Missenden in Buckinghamshire have completed ...

GENEVA (AP) — Just like Hannibal in ancient times, Swiss engineers have conquered the Alps. More than 2,200 years after the commander from the ancient North African civilization of Carthage led his ...

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

A new railway line featuring one of the longest railway tunnels in the world has been inaugurated in Austria. The Koralm Railway, which is 130 kilometres long in total, runs between the cities of Graz ...