The Aral Sea was one of the four largest lakes in the world at 68,000 km2 (26,300 sq mi) but since the 1960s it has been shrinking as a result of Soviet irrigation projects diverting the river water that feeds the lakes.
Blue Lake in New Zealand is a naturally clear expanse of water and has visibility to 80 meters, which is as clear as distilled water.
Acorn woodpeckers spend their time collecting acorns, drilling holes in firs, and then popping the acorns in the holes for safe keeping.
These ice flowers form when plant stems and roots are not fully frozen but contain a lot of moistiure. As the moisture travels up the stem it freezes and creates layers of ice.
The Sinabung volcano began erupting in September 2013 but the most violent phase of the eruption only started two weeks ago. Over 25,000 residents have been forced to flee their homes for safety.
This phenomenon happens only once a decade in the Arizona Grand Canyon.
In the area of Slope Point, New Zealand the wind is so violent and persistent that the trees get twisted and bent along the direction the wind blows.
The storm winds reached 71 mph in the city on Friday and the rain flooded parts of the Las Vegas strip, affecting as many as 33,000 people with power outages.