According to National Geographic, this is the Biggest, Tallest Tree Photo ever.
I gotta say, it's pretty tall. At over 1,500 years old this Redwood has grown to over 300 feet. Somehow it survived weather, loggers, and a mulitude of other variables to survive this long. Clearly they had to piece several photos together just to get the full magnitude of this giant.
It involved three cameras, a team of scientists, a robotic dolly, a gyroscope, an 83-photo composite and a whole lotta of patience. Here's the video of how they did it: