The windiest, coldest, driest and fifth-largest continent on Earth—Antarctica—was discovered in 1820. It is Earth"s southernmost continent and a pristine and forbidding wilderness, often referred to as the world"s last true frontier. From suspended clouds of ice crystals to a subglacial, iron oxide-rich lake that flows blood-red, this polar desert is full of natural wonders. Its massive ice sheet stores about 70% of the world"s fresh water. If it were to melt entirely, it could raise sea levels by over 200 feet, threatening low-lying regions worldwide. The infamous ozone layer hole is located above Antarctica, but thanks to global efforts, it is on track to close within the next 20 years.
Ross Sea, Antarctica
Today in History
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Ross Sea, Antarctica
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A little bird told me...
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Where is this historical bridge?
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World Water Day
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A bridge that holds up history
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The top of Tennessee
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