Giant sequoias, known scientifically as Sequoiadendron giganteum, are among the largest trees in the world. They can grow over 300 feet tall and live for more than 3,000 years. These trees are primarily found in the Sierra Nevada mountains of California, thriving in specific conditions that include well-drained soil and a mild climate. The bark of giant sequoias is thick and fibrous, providing protection from fire and pests. Their cones are small and can take up to two years to mature, releasing seeds that can grow into new trees. These majestic giants play a crucial role in their ecosystem, supporting various wildlife and contributing to biodiversity.