(5) This is Montenegro
Entering the this blue cave itself at first seems like a daunting experience – the rock above the entrance is low and as your eyes adjust, everything seems to be cast in extreme darkness. However, after realizing that the cavern is large enough to accommodate several boats, you pass a small bend and realize why this natural wonder is called the Blue Cave – luminous, brilliant blue light wells up from under the water and casts a blue shadow on the grotto’s ceiling aboveyou
