This highway connects China and Pakistan with each other. It spans 800 miles, and the biggest risk associated with the road is its landslides. That being said, it is also prone to flooding, heavy snow, and avalanches.
The road started off with a deadly reputation, with 1,000 workers dying during construction. Construction was in 1959, and deaths were from a combination of landslides and deaths. Deaths are still common, with causes ranging from landslides to falling into gorges. Interestingly, this is still a very popular tourist route despite the risk and deadly nature of the path. Its appeal comes from its natural beauty.