Great Blue Hole: Off the coast of Belize, this underwater sinkhole is a popular diving spot. Its formation dates back to glacial periods when sea levels were much lower . Add Comment + Votes ( 2 )
Brooks - August 26, 2025TOPThe Great Blue Hole, a massive marine sinkhole off the coast of Belize, presents a startlingly perfect dark blue circle amidst shallow turquoise waters. This breathtaking abyss, over 300 meters wide and 125 meters deep, formed during past ice ages. Its mysterious depth and perfectly circular shape create an awe-inspiring and almost supernatural natural phenomenon.+ Reply ( 1 )Report