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 city of Houston, Texas is built on a swamp and is slowly sinking!
89
Mexico City is built on top of an underground resevoir!
47
In one day, a full grown redwood tree expels more than 2 tons of water through its leaves.
56
If Manhattan had the same population density as Alaska, there would only be 15 people living there.
138
Australia's Great Barrier Reef is 1,250 miles long!
45
The water between India and Sri Lanka is only 3-30 feet deep and was purportedly passable on foot until 1480 AD when a cyclone moved some sand around.
1
The state with the longest coastline in the Continental U.S. is Michigan.
31