One cubic mile of seawater contains about 50 pounds of gold.
79
The Niagara Falls moves upstream at an average rate of about 295ft a century!
48
The Caspian Sea is also classed as the world's largest lake.
52
Europe is the only continent without a desert.
62
The warmest temperature ever recorded on Antarctica was 3 degrees F.
175
Forest fires move faster uphill than downhill.
52
The North Atlantic gets 2.5 centimetres (1in) wider every year.
119
The water of the Antarctica is so cold that nothing can rot there.
334