Sometimes you see a photo of nature and think "well, that just can't be real." This is one of those times. Izvorul Bigăr, or the Bigar Waterfall in Romania looks like something straight out of a fairytale. Its the water that makes this rock beautiful.
Explore the ancient caves of Hang Son Doong, Vietnam. Hang Son Doong is one of the largest caves in the world and features a fast-flowing underground river. For spelunkers, exploring Hang Son Doong is the equivalent of scaling Mount Everest.
World’s Largest Cave- Son Doong Cave, Vietnam. This picture is not edited in any way. It is taken inside the “Son Doong Cave”- Earth’s largest cave known in existence. The cave is more than 200 meters high, 150 meters wide and reaches over 5 kilometers.