A deep blue marine sinkhole in the middle of the turquoise-coloured Belize Barrier Reef, the Blue Hole isn't just one of the best things to do in Belize but is the main reason many travellers visit this small Central American country in the first place. Visitors are attracted by the possibility of SCUBA diving in the hole, which is filled with stalactites and stalagmites, and has been deemed 'one of the best dive sites in the world'. Another option, flying over the Blue Hole, provides panoram...
