Curiosity Stream

Hot Roads: The World's Most Dangerous Roads (Season 4)

6 episodes 95%4KCC

Where desert winds, mountain roads, and coastal cliffs test every mile.

Explore a season of high-stakes driving across extreme landscapes, from steep passes and deep gorges to remote coastlines and wilderness. Along the way, meet the people who keep these routes moving as weather, terrain, and fragile roads turn every trip into a calculated risk. Sign up to see how human skill and local knowledge prevail where travel is never routine.

Episode guide

6 episodes
1
1From Colombia's Caribbean Coast to the Desert
Colombia's Caribbean Highway cuts from coastal cities through mountains, rainforests and salt mines toward the Guajira Desert. Wind, sand and the encroaching sea regularly erode the road, forcing drivers to adapt as conditions shift along one of the country's most unstable routes.
52 min
2
2Guinea's Adventurous Trade Routes
In Guinea, essential trade routes wind through mountains and dense bushland. From May to September, heavy rains turn roads into mud-choked hazards, yet people still travel daily to move goods, reach markets and sustain isolated communities.
52 min
3
3Pakistan's Karakoram Highway
The Karakoram Highway climbs through northern Pakistan at elevations nearing 4,700 meters. Threading between glaciers, unstable rock faces and towering peaks, it stands among the highest and most dangerous roads on Earth.
52 min
4
4Madeira's Wild Mountain Roads
Madeira's rugged interior is laced with steep mountain roads and tight hairpin bends. Sharp climbs, sudden drops and narrow passages challenge drivers navigating one of the Atlantic's most demanding island landscapes.
52 min
5
5Turkey's Notorious D915
Turkey's D915 rises from the Black Sea coast through narrow valleys and alpine passes. Extreme gradients and shifting terrain connect vastly different regions along one of the country's most notorious roads.
52 min
6
6Through Patagonia on Chile's Carretera Austral
Chile's Carretera Austral stretches more than 1,200 kilometers through Patagonia's fjords, rainforests and volcanoes. Isolated and unpredictable, the route pushes travelers deep into one of the world's last great wildernesses.
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 Hot Roads: The World's Most Dangerous Roads (Season 4). 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 Hot Roads: The World's Most Dangerous Roads (Season 4) today

Stream thousands of award-winning documentaries. Cancel anytime.