10 of the tributaries flowing into the Amazon river are as big as the Mississippi river.
41
Even Antarctica has an area code. It's 672.
58
Check your map! The Pacific entrance of the Panama Canal is farther East than the Atlantic entrance.
40
The Dallas/Ft. Worth airport is larger than New York City's Manhattan Island.
62
The Atlantic Ocean is saltier than the Pacific Ocean.
54
It's still possible to see the division between East and West Germany due to different light bulbs.
5
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 water between India and Sri Lanka is only 3-30 feet deep and was purportedly passable on foot until 1480 AD when a cyclone moved some sand around.
1