66. The Blue Hole, Dahab
The Blue Hole is found on the coast of the famous Red Sea just a few kilometers north of Dahab in Egypt. This area is arguably one of the world’s most dangerous places for diving. A lot of divers have lost their lives in this infamous 400-foot deep cave. Experts confirm that only experienced divers are capable of diving here. Amateurs and new divers often die here due to inert gas narcosis or “insufficient air capacity” upon resurfacing.
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