This site has you begin by viewing the Milky Way at 10 million light years from the Earth. You move on through space towards the Earth in successive orders of magnitude until you reach a tall oak tree just outside the buildings of the National High Magnetic Field Laboratory in Tallahassee, Florida. Once you get to the tree, the pictures just get more and more fascinating as you go through leaf, cells, DNA and finally to electrons and protons.

Secret Worlds: The Universe Within is just astounding. The first run-through is quick, but I had to go back several times to enjoy it repeatedly.