This Japanese white pine tree is almost 400 years old.
This Japanese white pine is 390 years old, to be exact. Photo by Christa Burns/Flickr.
It lives in the U.S. National Arboretum as part of the National Bonsai and Penjing Museum, where it's the oldest tree in the collection.
It stands just a few feet tall and has carefully pruned piney branches extending from a short, mossy trunk.