Australia’s Great Barrier Reef is all about superlatives. It is the world’s largest coral reef, extending some 1,400 miles off the east coast of Australia and covering some 133,000 square miles.

If you really want to get away from it all, the Outer Reef—a less touristy part of the Great Barrier Reef—is only 60 minutes from Hayman Island via boat.

Many of the travelers who come to Australia head to the Great Barrier Reef, which at 133,000 square miles is about the size of California. It alone is responsible for about $6 billion AUD of the ...

The Great Barrier Reef – the world's largest reef system that's "one of the richest and most complex natural ecosystems on Earth" – is once again undergoing a mass coral bleaching event.