Teen Tuesday is a superfun amalgam of silliness and fun, spread with a thick layer of cooool. Today, travel the world with Google Expeditions. Where will you end up? Under the sea, swimming with sea turtles and great White Sharks? Exploring ancient sites like the Pyramids an Stonehenge? Marveling at the seven wonders of the world, or European castles? Who knows! You'll just have to show up to find out.