The Dyerville Giant, one of the largest trees in the world. When this massive tree crashed to the ground in you could hear it for miles around. It sounded like a train wreck. ("Avenue of the Giants," Humboldt Redwoods State Park, California)
The Tree with the Largest Diameter in the World: El Arbol del Tule. Ahuehuete or Montezuma Cypress in Santa Maria del Tule, Oaxaca, Mexico. The trunk is 33 feet in diameter and has a circumference of 178 feet.