PrimeWire

You can now watch the entire National Geographic Explorer: Climbing Redwood Giants movie online in high-definition quality, complete with English subtitles for a better viewing experience. Best of all, there’s no need to download anything—simply stream it directly from your device anytime, anywhere.

They are giants�stretching more than 300 feet above the ground, with hidden gardens and mysterious predators thriving within their canopy. National Geographic reveals the unexplored environment of redwoods using high-tech aerial laser surveys and breathtaking imagery. Obsessive redwood climber Steve Sillett of Humboldt State University investigates their monster crowns, tallying biological material and discovering new record-breaking trees, while escaping falling branches and crashing trees in the process. Down below, National Geographic Explorer-in-Residence Mike Fay charts the redwood range. It is an epic yearlong exploration to size up the past and future of this primeval tree threatened in 21st century California.