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
Check your map! The Pacific entrance of the Panama Canal is farther East than the Atlantic entrance.
40
If Manhattan had the same population density as Alaska, there would only be 15 people living there.
138
The Caspian Sea is also classed as the world's largest lake.
52
Australia's Great Barrier Reef is 1,250 miles long!
45