Home / Series / Engineering By Catastrophe / Aired Order / Season 1 / Episode 2

Into the Depths

Tunnels save time, money, and the environment by providing shortcuts through tough terrain. But they can also be dangerous, especially as today’s tunnels grow longer and deeper. Follow the Brenner Base Tunnel and Fehmarnbelt link to explore how engineers use past disasters to make construction and travel safer.

English Deutsch
  • Originally Aired May 24, 2026
  • Runtime 45 minutes
  • Content Rating Germany 12+
  • Network National Geographic
  • Created May 12, 2026 by
    Mattman583 mod
  • Modified May 26, 2026 by
    digitaledatenbank2022