The Banyan is a fig that begins to form on other tree trunks before they fully mature. The Banyan eventually blends into the trees after a rotting stage. The hollow appearance of the tree is directly attributed to the Banyan itself.

10. Giant Sequoia (between 2,300 - 2,700 years old)



The Giant Sequoia is one of the largest trees in the United States. It stands nearly 300 feet tall and is thought to be between 2,300 to 2,700 years.