Enclosed were pieces of petrified wood that she and her father had pilfered from the park’s Crystal Forest. After taking the rocks, Tracie wrote, they visited her sister in California, where her ...

In the Black Hills of South Dakota, consider stopping at a small, artsy town that has unique attractions and murals the whole family can enjoy.

To see if the petrified wood was actually disappearing at an alarming rate, resource managers established survey plots with a specific number of pieces of wood; some were nearly barren in less ...