Melissani Cave, on Kefalonia Island in Greece, features a sky-blue lake within the cave. The lake is shallow and clear, and is covered with stones at the bottom. The cave was rediscovered in (In Greek mythology, Melissani was the cave of the nymphs.
Near Gainesville Devil's Den Resort & Springs, Williston, FL. Walk down these steps and take a dip into a top secret pre-historic pool. One of the world's most epic natural dive spots, right here in the USA
To Sua Ocean Trench - Tosua literally means a Giant Swimming Hole. 30 meters deep and is accessible via a long ladder to the pool.Overlooking the ocean is a beach called Fagaoneone meaning white sand whereas opposite is a lava field with blow hole, tide p
Secluded cave near Lagoa Algarve Portugal [Portugal is has it all. great food and wine sights natural spots (like this one) friendly people. and you can get away with your high school Spanish if you need to.