Richat Structure, Mauritania  You'll have to go to space to get a properly impressive view of Mauritania's Richat Structure, but don't worry, it'll be worth it. Satellite imagery reveals what looks like a giant eye staring up out of Africa's Sahara Desert. The going theory is that the 30-mile-wide circle is the result of the wind eroding a massive volcanic dome.

10 Natural Places You Won't Believe Are Real

Richat Structure: A geological formation in the Maur Adrar Desert in Mauritania, Africa. Although it resembles an impact crater, the Richat Structure formed when a volcanic dome hardened and gradually eroded, exposing the onion-like layers of rock

This prominent circular feature, known as the Richat Structure, in the Sahara desert of Mauritania is often noted by astronauts because it forms a conspicuous bull's-eye on the otherwise rather featureless expanse of the desert.

Earth has Bullseye ~ This prominent circular feature, known as the Richat Structure, in the Sahara desert of Mauritania is often noted by astronauts because it forms a conspicuous bull's-eye on the otherwise rather featureless expanse of the desert.

Spain Rio Tinto - The vast mines of Rio Tinto give a hypnagogic, almost martian landscape. Its growth has consumed mountains and valleys, even entire villages. This river has gained recent scientific interest due to the presence of extremophile aerobic bacteria that dwell in the water. Río Tinto is notable for being very acidic (pH 2) and its deep reddish hue. It is metal soluble and surely not human-friendly!

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Druids Trees:  Tangled #woods.

“Wherever they go, and whatever happens to them on the way, in that enchanted place on the top of the forest, a little boy and his Bear will always be playing.” Winnie the Pooh quote

Madagascar’s Bombetoka BayCredit: NASAOn the northwestern coast of Madagascar, the salty waters of the Mozambique Channel penetrate inland to join with the freshwater outflow of the Betsiboka River, forming Bombetoka Bay. Numerous islands and sandbars have formed in the estuary from the large amount of sediment carried in by the Betsiboka River and have been shaped by the flow of the river and the push and pull of tides.

Bombetoka Bay, Madagascar, 2000 Islands and sandbars have formed where the Betsiboka River flows into the Mozambique Channel.

Balancing Rock (Nova Scotia) by Elle Chyun

Balancing Rock, Nova Scotia, Canada -- wonder how many men have considered climbing up so they could push it off.

Google Bilder-resultat for http://www.robotinthecloud.com/data/images/2010/06/3435442803-80b6f2a876.jpg

bridge (in Antarctica? Not going, cold & icy enough here It's a big sheet of ice, nothing but penguins & bearded scientists. This bridge.

Since the beginning of space missions, the Earth’s bulls-eye caught the interest of astronauts in the otherwise featureless Sahara Desert. Over the years, it has become a landmark for astronauts

Mauritania -Sahara desert Africa Bullseye also known as the Richat Structure

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