Arizona is full of ancient landforms, but the conifer trees in Petrified Forest National Park just might be the oldest. The (now fossilized, of course) wood dates to over 200 million years ago, and it’s truly a spectacular sight to behold.

Visit the National Parks Service website or Petrified Forest National Park Facebook page to learn more.

Have you ever been to Petrified Forest? If so, what’s your favorite thing about it? Let us know!

OnlyInYourState may earn compensation through affiliate links in this article.