Curiosity Stream

World's Most Dangerous Railway Lines

3 episodes 91%4KCC

Across ice, oceans, and wilderness, railways defy the planet's harshest terrain.

Explore extraordinary rail lines built through alpine snow, unstable mountains, African savanna, and the Indian Ocean. This series reveals the engineering, history, and daily risks behind routes shaped by bridges, tunnels, landslides, storms, and extreme weather. Sign up to see how trains still connect communities across some of the world's most unforgiving landscapes.

Episode guide

3 episodes
1
1The Bernina Express
The Bernina Express fights its way from Switzerland to Italy over 196 bridges and 55 tunnels. The path leads it through deep valleys, wild gorges and over the eternal ice of the Graubünden Alps.
52 min
2
2The Tazara
The Tanzania-Zambia-Railway (Tazara) is one of Africa's most ambitious infrastructure projects. It connects the inland with the coast of East Africa and meant independence from the surrounding apartheid-ruled countries of East Africa.
52 min
3
3The Pamban Railway
The Pamban Railway crosses the tropical landscape of Tamil Nadu, the former Madras, for around 600 kilometers. Heavy storms and rain showers make the route a challenge for Indian Railways to this day.
52 min
Good to know

Frequently asked questions

Thousands of the world's best documentaries and factual programming — nature, history, science, technology, and biography — including exclusive Curiosity Originals like World's Most Dangerous Railway Lines. Stream it all ad-free, anytime.

Plans are billed annually — every plan streams in 4K. The Smart Bundle adds four partner services. There are no contracts — cancel anytime.

Watch on the web, iOS and Android, Roku, Apple TV, Amazon Fire TV, Chromecast, Android TV, and most smart TVs. Start on one device and pick up right where you left off on another.

Yes. The library is full of family-friendly nature and science programming, and the Smart Bundle includes Kidstream — carefully chosen, ad-free shows kids will love and parents can trust.

Absolutely. There are no contracts and no cancellation fees — manage or cancel your plan anytime from your account settings.

Curiosity Stream is our streaming service — thousands of documentaries and originals. The Smart Bundle is Curiosity Stream plus four other independent streaming services (Tastemade, Kidstream, Curiosity University, and SOMM TV) on a single subscription.

Yes. Start on any plan and move up to the Smart Bundle whenever you like — the change takes effect right away, and your billing is simply prorated from your account settings.

Got your answer? Pick a plan and start streaming.Start streaming
Available now

Start watching World's Most Dangerous Railway Lines today

Stream thousands of award-winning documentaries. Cancel anytime.