The Niagara Falls moves upstream at an average rate of about 295ft a century!
48
10 of the tributaries flowing into the Amazon river are as big as the Mississippi river.
41
Check your map! The Pacific entrance of the Panama Canal is farther East than the Atlantic entrance.
40
The 'King Ranch' in Texas is bigger than the state of Rhode Island.
49
If Manhattan had the same population density as Alaska, there would only be 15 people living there.
138
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
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