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
In one day, a full grown redwood tree expels more than 2 tons of water through its leaves.
56
10 of the tributaries flowing into the Amazon river are as big as the Mississippi river.
41
The state with the longest coastline in the Continental U.S. is Michigan.
31
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 warmest temperature ever recorded on Antarctica was 3 degrees F.
175