Mexico City is built on top of an underground resevoir!
47
Louisiana is the only state that grows in land area every year (Due to alluvial deposits from the Mississippi River).
41
The Niagara Falls moves upstream at an average rate of about 295ft a century!
48
There's a lake under Antarctica that is 25 million years old called Lake Vostok.
109
Forest fires move faster uphill than downhill.
52
Venice Island was built on a foundation of tree trunks. 1200 years later, those same trunks still support almost all of central Venice.
8