In 1850, only 8% of the people in California were women.
0
One cubic mile of seawater contains about 50 pounds of gold.
79
The Caspian Sea is also classed as the world's largest lake.
52
An earthquake on Dec. 16, 1811 caused parts of the Mississippi River to flow backwards.
243
The city of Houston, Texas is built on a swamp and is slowly sinking!
89
Venice Island was built on a foundation of tree trunks. 1200 years later, those same trunks still support almost all of central Venice.
8
Forest fires move faster uphill than downhill.
52