At least 1,500 years old, a 300-foot titan in California’s Prairie Creek Redwoods State Park has the most complex crown scientists have mapped. This photo, taken by Michael Nichols, is a mosaic composed of 84 images.
Technical assistance: Ken Geiger, NG Staff; Nathan Williamson; Walter Boggs, David Mathews, and Kenji Yamaguchi, NG Staff; Jim C. Spickler; Giacomo Renzullo; Marty Reed, Steve Sillett, and Marie Antoine, Humboldt State University
Explorer: Climbing Redwood Giants premieres September 29 at 10 p.m. ET/PT on National Geographic Channel.
Time yourself as you piece together this photo puzzle of a 300-foot California redwood.
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 Michael Nichols' photos of the last of the giants.
Watch as Michael Nichols and his team make a photograph that had never before been attempted.
Read National Geographic's first coverage of redwoods from the May 1899 magazine issue.
Check out links to groups that are working to protect the redwoods and learn how you can help.
An interactive time line traces history on the rings of one redwood from California, and a map tracks Mike Fay's transect.