The name of the oldest known living tree is Methuselah, a bristlecone pine (*Pinus longaeva*) located in the White Mountains of California. Methuselah is estimated to be over 4,800 years old, making it one of the oldest known non-clonal organisms on Earth. The exact location of Methuselah is kept secret to protect it from vandalism; however, its age is determined by counting the tree's growth rings. Bristlecone pines are renowned for their resilience to extreme weather and harsh environments, and Methuselah symbolizes the endurance of life through centuries, attracting scientists and nature enthusiasts alike.