The Olive Tree of Vouves Crete. It is the oldest known olive tree on Earth, with a tree ring age of at least years. Carbon daters have estimated it to be about years old, and it still produces tasty olives today. It is 15 feet thick at the base.
Large Boabab Tree - Also known as the "tree of life", Baobab trees, found in Africa and India, can live for several thousand years. They have little wood fiber, but can store large quantities of water.
"Portland Japanese Garden Vertical Panorama" by Jonathan Cohen