The Tree That Built The NorthwestDec. 23, 2017 12:57 a.m.If you live in the Northwest, you've seen a million Doug firs. But they're remarkable — once the world's tallest trees and capable of communication.THANKS TO OUR SPONSOR:Become a SponsorTHANKS TO OUR SPONSOR:Become a SponsorOPB’s First Look newsletterSign up to get important news and culture from around the Northwest, delivered to your inbox six days a week.EmailPlease leave this field blankSign Up