The Caspian Sea is also classed as the world's largest lake.
52
Blue whale arteries are large enough for humans to swim through and their hearts are the size of cars.
12
George was the world's largest dog who weighed 233 pounds, stood at 43 inches tall from paw to shoulder, and ate 180 pounds of food a month.
7
The Statue of Liberty has US women's shoe size 879.
53
A lump of pure gold the size of a matchbox can be flattened into a sheet the size of a tennis court.
140