Wau-en-Namus is an extinct volcanic crater, which is far away in the Sahara desert in Libya. His name Wah-en-Namus (translated as "Crater Mosquito") he received because of its surrounding small lakes infested with mosquitoes.

Wau-en-Namus - dormant volcano surrounded by black sand.

To get to any of the places on this list will be extremely difficult, even in the modern development of the technology will have to do quite a difficult journey. We present you a selection of 10 least-studied places on Earth where nature is preserved in a primitive form, and all processes take their course, without human intervention.

Author: As the early morning for us, as to bear the winter, on a clearly remember that day just after arrival at the railway station in Benalmadena (the town where we spend the holidays).

Nature never stops to amaze us with its magnificent phenomenon just like these inexplicable holes in the ground. These holes may be formed gradually or suddenly, and are found worldwide. This is a list of beautiful natural holes from around the World, which have become popular tourist destinations.

Dean's Blue Hole, Bahamas
Dean's Blue Hole is the world's deepest known blue hole with seawater. It plunges 202 metres (663 ft) in a bay west of Clarence Town on Long Island, Bahamas.

Dean's Blue Hole is named after the family name of local landowners. It is located in a small bay, divided from the open sea with small peninsula. Over the last few years this sinkhole has become a scene of world-class free-diving.

A structure thought to be the world's oldest building, nearly twice the age of the great pyramids of Egypt, has been discovered. The rectangular stone ziggurat under the sea off the coast of Japan could be the first evidence of a previously unknown Stone Age civilization, say archeologists.
The monument is 600ft wide and 90ft high and has been dated to at least 8000BC. The oldest pyramid in Egypt, the Step Pyramid at Saqqara, was constructed more than 5,000 years later..

Yonaguni Island is located in western Japan. Yonaguni became famous in the mid 80-x, when divers discovered the mysterious underwater rock terraces and pyramids with sharp corners. Until now, there is debate, but nobody knows what secrets are fraught with the island. Scientists are inclined to believe that these pyramids were created artificially many years ago an unknown civilization that vanished from the face of the earth. Mysterious Underwater Pyramids of Yonaguni Island off the coast of Japan is still controversial - a natural phenomenon that, or the creation of man? If the monument of Yonaguni is created by man - it will radically change the history of mankind. The history of these underwater pyramids begins in 1986 when divers found an unusual rock formation at a depth of 25 meters under water. It was a rock in the form of stepped terraces, flat, pyramids and platforms. One of the highest pyramid was 600 feet wide and 90 feet in height.

 Perhaps the baby terribly angry that he had slipped rhubarb instead of sweets.