The city of Houston, Texas is built on a swamp and is slowly sinking!
89
The Niagara Falls moves upstream at an average rate of about 295ft a century!
48
Check your map! Virginia extends farther west than West Virginia.
67
Venice Island was built on a foundation of tree trunks. 1200 years later, those same trunks still support almost all of central Venice.
8
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
An earthquake on Dec. 16, 1811 caused parts of the Mississippi River to flow backwards.
243
Connecticut and Rhode Island never ratified the 18th Amendment (Prohibition).
25
10 of the tributaries flowing into the Amazon river are as big as the Mississippi river.
41