If Manhattan had the same population density as Alaska, there would only be 15 people living there.
138
The 'King Ranch' in Texas is bigger than the state of Rhode Island.
49
Check your map! The Pacific entrance of the Panama Canal is farther East than the Atlantic entrance.
40
Australia's Great Barrier Reef is 1,250 miles long!
45
The Caspian Sea is also classed as the world's largest lake.
52
Mexico City is built on top of an underground resevoir!
47
Check your map! Virginia extends farther west than West Virginia.
67
Due to gravitational effects, you weigh slightly less when the moon is directly overhead.
55