The Caspian Sea is also classed as the world's largest lake.
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An African Baobab tree in South Africa, known as Big Baobab, has a circumference of 154 feet and even has a bar inside the trunk that can fit 60 people.
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Blue whale arteries are large enough for humans to swim through and their hearts are the size of cars.
12
The world’s smallest book, “Teeny Ted from Turnip Town”, is 100×70 micrometers in size and requires a scanning electron microscope to read, as light beams are too large.
6
Any domino can knock over another object up to 1.5x its size. The 32nd object would be big enough to knock over the Empire State Building.
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The world’s largest frog, the Goliath frog, can grow over 13 inches in length and can jump up to 10 feet in a single bound.
8
Meysi is one of the world's smallest dogs, measuring in at just 7cm tall, 12cm long, and weighing a meagre 250 grams (only slightly heavier than a hamster!)
11
A newborn Chinese water deer is so small, it can (almost) be held in the palm of a hand.
13