50. The Grand Canyon, USA

At a size of 1.2 million acres, is it any wonder that things end up going wrong? Arizona's famous Grand Canyon National Park is one of the world's most popular tourist destinations. But it's also one of the deadliest. Visitors to the park will battle soaring temperatures and dehydration, or sub-zero cold. There seems to be no happy medium when it comes to this wild stretch of desert.

Deaths occur for a whole range of reasons out here. Cardiac arrests are common, as well as accidental falls and dehydration. What most people don't know is that the Grand Canyon is one of the most famous suicide spots in the world, and they're increasing every year. There are certainly plenty of ways to visit the canyon and make it out alive, so we'd recommend you take one of those instead of doing anything risky.


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