The biggest trees in the world are found in a variety of locations, but the majority are found in forested areas of North America, Europe, and Asia. The largest trees in the world are typically found in the redwood and sequoia species.The tallest tree species in the world is the coast redwood (Sequoia sempervirens), which can reach heights of up to 379 feet (115.7 meters). These trees are native to the coastal regions of California and Oregon in the United States, and can be found in Redwood National and State Parks. The tallest tree ever recorded was a coast redwood named Hyperion, which measured 379.7 feet (115.7 meters) tall.Another species of tree that is known for its massive size is the giant sequoia (Sequoiadendron giganteum). These trees can reach heights of up to 311 feet (95 meters) and can have a diameter of up to 26 feet (8 meters) at breast height. Giant sequoias are native to the Sierra Nevada Mountains in California, and can be found in Sequoia and Kings Canyon National Parks. The largest giant sequoia tree ever recorded is the General Sherman tree which is 275 feet (83.8 meters) tall and 102 feet (31 meters) in circumference.In addition to coast redwoods and giant sequoias, there are several other species of trees that can also reach incredible sizes, such as the Douglas fir (Pseudotsuga menziesii) which can reach heights of up to 330 feet (100.6 meters), and the Sitka spruce (Picea sitchensis) which can reach heights of up to 325 feet (99.1 meters).It's important to note that the biggest trees in the world are also endangered due to logging, urbanization and climate change. Conservation efforts are ongoing to protect these ancient giants and preserve them for future generations to enjoy.