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The marine iguana is found only in the Galapagos Islands.
Besides being the fastest land snake, the black mamba also has one of the fastest-acting snake vemons of any land snake.
Scientists are trying to develop new pain-relieving medicines using the venom from the black mamba.
How did crocodiles get so big? How old can they get?
In a special village in Africa the people have an unusual relationship with crocodiles.
One of God’s most amazing creatures is the little gecko, a lizard that is widely seen in insurance commercials.
The chameleon is distinctly different from other lizards.