Petrified Forest National Park - The Petrified Forest is known for its fossils, especially fallen trees that lived in the Late Triassic, about 225 million years ago.
Petrified Forest National Park - The sediments containing the fossil logs are part of the widespread and colorful Chinle Formation, from which the Painted Desert gets its name.
Petrified Forest National Park - The park was created to protect the area from large-scale removal of fossils that was going on. Theft of petrified wood still remains a problem.
