Like the name suggests, this state park is home to rare petrified ginkgo trees (Ginkgo biloba), a species of tree so ancient it's widely referred to as a "living fossil." Nowadays, ginkgos grow in ...

Petrified Forest is best known for its ancient trees that have crystallized over 225 million years into rainbow colors. The park also features fossils from huge 18-foot crocodile-like creatures known ...