Sequoias: Why These Giants Of The Tree World, Under Threat Yosemite Wildfire, Are So Special
The largest trees on Earth by volume, giant sequoias soar upward like natural skyscrapers and are simply mesmerizing in their immensity. These trees have a limited range, though: They're found only on the western slopes of the Sierra Nevada mountain range in California. And that's put some of them in danger as another harsh California wildfire season rages.