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Son Doong cave is World's largest cave. - found by a local man named Ho Khanh in 1991 - Vietnam

from The Huffington Post

The Only Thing Better Than A Waterfall Is A Triple Waterfall

Behold: a rare TRIPLE waterfall, better known as the Baatara Gorge Waterfall or Three Bridge Chasm

from TripHobo

Most Amazing Caves In The World

Hidden in the depths of the Vietnamese jungle lies The Hang Son Doong, part of a network of over 150 caves. Surrounded by jungle and used in the Vietnam war as a hideout from American bombardments, the cave passage is so large that it could hold a block of 40-storey skyscrapers.