~ The Majestic Redwood ~ Prairie Creek Redwood State Park, California. This amazing 300 foot tall, 1500 year old redwood was shot by Nick Nichols for National Geographic. He used a 3 camera, robotic dolly on a gyroscope to create this 83 photo composite.
Giant Sequoias [wiki] (Sequoiadendron giganteum), which only grow in Sierra Nevada, California, are the world's biggest trees (in terms of volume). The biggest is General Sherman [wiki] in the Sequoia National Park - one behemoth of a tree at 275 feet m)