Heddal Stave Church in Norway was built sometime between 1180 and 1250 AD.

It's part of of a group of medieval churches almost only present in Scandinavia, built with wood only and without using a single nail.

https://video.nostr.build/5e1a9775b681c55704116b3db068d2bb791d4f03aca6bcd493f9c5ffda006391.mp4