The Petrified Forest in Arizona has tree trunks more than 200 million years old.
Why it is true
The Petrified Forest in Arizona contains tree trunks that lived more than 200 million years ago, in the Triassic period. The wood was replaced by minerals such as silica, turning into stone. It is one of the largest deposits of petrified wood in the world.
Source: National Park Service
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