Explorer Mike Fay took an 1,800-mile hike through the redwood forest, seeking its salvation. Read the magazine cover story.
Redwoods reign only along the Pacific coast, from southern Oregon to Big Sur. See Micheal Nichols' photos of the last of the giants.
An interactive time line traces history on the rings of one redwood from California, and a map tracks Mike Fay's transect.
Watch as Michael Nichols and his team make a photograph that had never before been attempted.