This interactive site, The Scale of Everything, is totally saweeet! You can zoom in and out to see the size relationship of everything from quarks to red blood cells to the Eiffel Tower to our galaxy. It’ll make you feel gigantic and minuscule at the same time!
Battle Bunny 
That is a fabulous graphic. It gave me goosebumps all over and, inexplicably, made me feel a little weepy. It reminds me of this film I saw years ago called Powers of Ten. Good stuff!