One cubic mile of seawater contains about 50 pounds of gold.
79
Venice Island was built on a foundation of tree trunks. 1200 years later, those same trunks still support almost all of central Venice.
8
If Manhattan had the same population density as Alaska, there would only be 15 people living there.
138
If Antarctica's ice sheets melted, the worlds oceans would rise by 60 to 65 metres (200 - 210ft) - everywhere
181
More than 25% of the world's forests are in Siberia.
51
The city of Houston, Texas is built on a swamp and is slowly sinking!
89
The names of the continents all end with the same letter with which they start, excluding the North and South infront of AmericA.
86
Mexico City is built on top of an underground resevoir!
47