Mexico City is built on top of an underground resevoir!
47
More than 25% of the world's forests are in Siberia.
51
Australia's Great Barrier Reef is 1,250 miles long!
45
Venice Island was built on a foundation of tree trunks. 1200 years later, those same trunks still support almost all of central Venice.
8
Israel's Dead Sea is 1,312 feet below sea level.
48
One cubic mile of seawater contains about 50 pounds of gold.
79
It's still possible to see the division between East and West Germany due to different light bulbs.
5