1. This is how big a traffic light is compared with a person: Via reddit.com 2. And this is how big a moose is. Really freakin' big: Via imgur.com Absolute unit. 3. This is how big a redwood tree is: Via Twitter: @CaliaDomenico 4. And this is the size of Australia compared with the size of Pluto. PLUTO! Via articlepapers.com PLUTO! 5. This is how big some road signs are: Via imgur.com Gigantic. 6. And this is how big Michelangelo's "David" statue is: Stuart C. Wilson / Getty Images It's actually 17 feet tall. 7. This is the size of a person next to a blade from a wind turbine: Via reddit.com 8. And this is a person next to a wind turbine: Via reddit.com 9. And this is how big a tornado is compared with a wind turbine. Puny little turbine: Ryan McGinnis @bigstormpicture Size of a tornado compared to a wind turbine, Dodge City, May 24. #tornado #windpower #kansas #storm 12:13 PM - 22 Jun 2016 Reply Retweet Favorite Tornados: They're big. 10. This is how big Shaq is compared with a chicken wing: Via youtube.com Pathetic tiny wing. 11. And this is what Shaq looks like drinking a normal-sized bottle of water: TNT Puny little bottle. 12. And, on the flip side, this is how big Shaq is compared with the tallest man who ever lived: Via reddit.com That's a big dude. 13. This is how big male bison can get: Via reddit.com They can weigh up to 2,000 pounds. 14. This is how huge a horse's lungs are: Via Twitter: @thehumanxp Looks like forbidden Starburst. 15. And this is the size of a whale's skull: Via reddit.com 16. Here's how big one of the moai statues on Easter Island is: UCLA Huge! 17. And here's how truly gigantic the Great Pyramid is: intrepidguide / Instagram / Via instagram.com Photo via the Intrepid Guide. 18. This is what the Titanic would look like next to a modern-day cruise ship: Via maritimecyprus.com Leo is shaking right now. 19. And this is how big the Mars rover actually was: Via space.stackexchange.com 20. This is how big Indonesia is compared with the United States and Europe: Via reddit.com 21. This is how big an ammonoid was: Paul Williams / Via Flickr: ironammonite 22. And this is how big the Teletubbies are. Honestly terrifying: Via theremharths.tumblr.com They're, like, 10 feet tall. 23. And finally, this is how big a billion is: Via Twitter: @paul_franz AaaaaHHHHHH!!!!