General Sherman, located in Sequoia National Park in California, is considered the largest living single stem tree on Earth by volume. It is estimated to be over 2,200 years old. The Tule Tree, located in Oaxaca, Mexico, has an immense girth of 190 feet and a diameter of 37 feet, earning it the title of the widest tree. Hyperion, located in Redwood National Park in California, currently holds the record as the tallest tree in the world at 378.1 feet tall.