Mexico City is built on top of an underground resevoir!
47
The Dallas/Ft. Worth airport is larger than New York City's Manhattan Island.
62
The state of Florida is bigger than England!
74
If Antarctica's ice sheets melted, the worlds oceans would rise by 60 to 65 metres (200 - 210ft) - everywhere
181
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
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 Atlantic Ocean is saltier than the Pacific Ocean.
54
10 of the tributaries flowing into the Amazon river are as big as the Mississippi river.
41