Videos

Top 10 Longest Tunnels (Video)

Check out the 10 longest railway tunnels in the world: 10. Iwate-Ichinohe (Japan) Length: 16.0 mi (25.8 km) 9. Hakkoda (Japan) Length: 16.4 mi (26.5...

Why Tunnels Don’t Collapse (Video)

Ever wonder how tunnels are built so they don't collapse? The answers might surprise you. In this video you'll learn how intelligent, yet simple reinforcement...

Giant tunneling machines (Video)

Crossrail, a 118-kilometre (73-mile) railway line under development, uses eight tunnel boring machines (TBMs) to construct the new tunnels under London. These huge machines will...

Longest Tunnel in The World...

Check out the massive engineering and planning undertaken to construct the longest tunnel in the world, also known as the Gotthard Base Tunnel...

Norway Plans To Build A...

Norway is considering building the worlds' first full-scale ship tunnel this size. The proposition is a 5,577 feet (1,700-metre) passageway burrowed through a piece...