Coral reefs rely on a symbiosis between the coral itself and dinoflagellates, which harness sunlight to produce sugars, which they provide to the coral in return for protection and a place to grow.

Here are the best (and most budget-friendly) locations in the world to get scuba certified, including options for both beginner and advanced divers.

Are you debating between Costa Rica vs. Honduras for your next vacation? Both of these Central American gems boast stunning ...