Europe is the only continent without a desert.
62
It takes a drop of ocean water more than 1,000 years to circulate around the world.
61
The North Atlantic gets 2.5 centimetres (1in) wider every year.
119
More than a dozen men have stood on the surface of the moon, but only three have been to Challenger Deep in the Marianas Trench, the deepest known spot in the ocean.
17
The Caspian Sea is also classed as the world's largest lake.
52
The Dallas/Ft. Worth airport is larger than New York City's Manhattan Island.
62
One cubic mile of seawater contains about 50 pounds of gold.
79
Check your map! The Pacific entrance of the Panama Canal is farther East than the Atlantic entrance.
40