The city of Houston, Texas is built on a swamp and is slowly sinking!
89
There are approximately three chickens for every human on Earth.
13
Venice Island was built on a foundation of tree trunks. 1200 years later, those same trunks still support almost all of central Venice.
8
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
Israel's Dead Sea is 1,312 feet below sea level.
48
Even Antarctica has an area code. It's 672.
58