The warmest temperature ever recorded on Antarctica was 3 degrees F.
175
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 Niagara Falls moves upstream at an average rate of about 295ft a century!
48
Connecticut and Rhode Island never ratified the 18th Amendment (Prohibition).
25
Mexico City is built on top of an underground resevoir!
47
If Antarctica's ice sheets melted, the worlds oceans would rise by 60 to 65 metres (200 - 210ft) - everywhere
181
Every year, Alaska has about 5,000 earthquakes.
31
A volcano has enough power to shoot ash as high as 50 km into the atmosphere.
59