Alvados Caves - Portugal by Vitor Olaveira

Alvados Caves - Portugal by Vitor Olaveira

In Borneo, deep in Sarawak’s Gunung Mulu National Park, lie the most spectacular caves on earth. Over millennia the flow of water draining from the slopes of G.Mulu towards the sea has cut deep gorges through the Park’s limestone mountains and, within the rock itself, a complex network of vast caves has been formed.

In Borneo, deep in Sarawak’s Gunung Mulu National Park, lie the most spectacular caves on earth. Over millennia the flow of water draining from the slopes of G.Mulu towards the sea has cut deep gorges through the Park’s limestone mountains and, within the rock itself, a complex network of vast caves has been formed.

Underground Jenolan Caves in Blue Mountains, New South Wales Australia can't freaking wait to see this

These are the Most Beautiful Pictures of Australia

Underground Jenolan Caves in Blue Mountains, New South Wales Australia can't freaking wait to see this

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.

7 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.

Melissani Lake. Kefalonia, Greece.. by kettyschott on Flickr..

Naturescape

Melissani Lake. Kefalonia, Greece.. by kettyschott on Flickr..

The Baatara gorge waterfall (also known as the “Cave of the Three Bridges”) in Tannourine, Lebanon. The waterfall drops 255 metres (837 ft) into the Baatara Pothole, a cave of Jurassic limestone located on the Lebanon Mountain Trail.

The Cave Of Three Bridges

The Baatara gorge waterfall (also known as the “Cave of the Three Bridges”) in Tannourine, Lebanon. The waterfall drops 255 metres (837 ft) into the Baatara Pothole, a cave of Jurassic limestone located on the Lebanon Mountain Trail.

~~Pool of Reflections | underground pools of Jenolan Caves, New South Wales, Australia by xeyr~~

~~Pool of Reflections | underground pools of Jenolan Caves, New South Wales, Australia by xeyr~~

Marble Caves at General Carrera Lake in Patagonia (Argentina and Chile). #marblecaves #chile #travel

Marble Caves at General Carrera Lake in Patagonia (Argentina and Chile). #marblecaves #chile #travel

Crystal Caves, Bermuda#Repin By:Pinterest++ for iPad#

Crystal Caves, Bermuda#Repin By:Pinterest++ for iPad#

Son Doong Cave | Vietnam

Son Doong Cave | Vietnam

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