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An opening into one of the most extensive underwater cave systems in the world, Leon Sinks Geological Area, Florida

Waterfall In The Mountains In Molokai, Hawaii

à partir de WebEcoist

Blue Holes to Infinity Falls: 13 Natural Swimming Pools

Ginnie Springs, Florida. Underwater caves, crystal clear water.

Gorges de l'Areuse, Switzerland The Val de Travers is a Jura mountain valley perpendicular to the main valleys (hence the name). The river Areuse has cut itself steeply through the soft limestone and clay sediments.

à partir de What I See..


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

Wakulla River - State Park, FL -

à partir de Mashable

The white-hot beauty of Iceland in 11 stunning photos

The Vatnajökull glacier, Iceland.