The majestic redwood tree is one of the top things to see in California. Nestled in the Sierra Nevada Mountains, Sequoia and Kings Canyon National Parks protect some of the largest trees in the world.

High in the evergreen canopy of General Sherman, the world's largest tree, researchers searched for evidence of an emerging threat to giant sequoias: bark beetles. The climbers descended the towering ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. California (AP) — High in the evergreen ...