Back in geological time, the pool itself was a stretch of underground river cave, but it lost its cover when the roof collapsed. (ambergrisCaye.com)
Visitors can snorkel with dolphins, swim in underground rivers, or get up close and personal with resident sea turtles. (seasidemexico.com)
Over 1,300 years old, this cave system is the perfect place for a guided tour or the chance to float through underground rivers within the caves. (grandbaymen.com)