A waterfall known as The Devil's Kettle empties water into a hole and nobody knows where it ends up!
18
In 1850, only 8% of the people in California were women.
0
The warmest temperature ever recorded on Antarctica was 3 degrees F.
175
The Atlantic Ocean is saltier than the Pacific Ocean.
54
Venice Island was built on a foundation of tree trunks. 1200 years later, those same trunks still support almost all of central Venice.
8
An earthquake on Dec. 16, 1811 caused parts of the Mississippi River to flow backwards.
243
If Antarctica's ice sheets melted, the worlds oceans would rise by 60 to 65 metres (200 - 210ft) - everywhere
181