Yellowstone National Park

Megan Ferreira and I stand next to one of Yellowstone's remarkable petrified redwoods.

The Oldest Redwood I’ve Ever Seen

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I just returned from a New Year’s trip through Yellowstone National Park, where I hiked out to see one of the petrified redwoods still standing on the forest slopes of Wyoming. This ancient redwood has been through an amazing transformation—its …