You might think an elephant is big, but wait until you see the Paraceratherium! This creature lived 34 million years ago and was four times as heavy as an African elephant. There were lots of other prehistoric giants, too. Giant camels lived in the United States and even in the Arctic. Another beast was the Stupendemysa turtle so large that a car could fit on its shell! What would happen if these giant beasts came to life? Imagine prehistoric giants walking the streets of New York and climbing the Great Wall of China – and learn amazing facts about these fascinating creatures!