A list of the 10 largest trees in our world. The exact position of some trees is kept secret to protect and preserve them. 10. Mendocino Tree 112.20 m 9. Paradox 112.56 m 8. Rockefeller 112.60 m 7. Lauralin 112.62 6. Orion 112.63 m 5. The National Geographic Society 112.71 m 4. Stratosphere Giant 113.11 m 3. Icarus 113.14 m 2. Helios 114.58 m 1. Hyperion 115.61 m