Water is one of the essential elements for any kind of life and exploring the vast expanses on planet earth is one of the most adventurous and beautiful aspects of human history. Despite man being around for thousands of years, yet there are many discovered and undiscovered underwater caves all over the world. Exploring the known ones by way of cave diving is an extreme scuba diving adventure. All critical scuba diving gears are needed by the daring divers who go deep inside the caves, which have a lot of moss and are partially or fully filled with water. Well, the pictures these divers bring back are some of the best photographs taken anywhere. So, if you do love water bodies, scroll down to take a look at 10 most famous underwater caves in the world.