On the east coast of Egypt's Sinai Peninsula, a few miles north of the city of Dahab, is a diving and snorkeling site known as the Blue Hole ... that leads to the open sea. Known as The Arch ...

The Blue Hole in Egypt's Red Sea is one of the deadliest places to dive in the world. Over 100 people—potentially up to 200—are thought to have perished there in the last two decades ...

But the Blue Hole in the Gulf of Aqaba is a magnet for ... the names of the first two he pulled up from the depths of the Red Sea, bringing them back onto the Egyptian shore.

Famous examples include the 410-foot Great Blue Hole in Belize, the 663-foot Dean's Blue Hole in the Bahamas and the 328-foot Blue Hole in the Red Sea near ... shown in these maps, along with ...

Freediver Kristof Coenen was captivated by the Blue Hole in the Red Sea, sinking to its dark depths on a single breath. But in freediving, pushing to the limit can be fatal. Show more Belgian ...