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
The Dallas/Ft. Worth airport is larger than New York City's Manhattan Island.
62
The 'King Ranch' in Texas is bigger than the state of Rhode Island.
49
The Amazon rainforest produces more than 20% the world's oxygen supply.
182