The Sims 2 had thesims2.com where you could download content for your game, The Sims 3 has thesims3.com which you could get achievements from playing your game and chat to players in game via Your Wall and The Sims 4 has thesimscom/the-sims-4 which you can now upload lots IN GAME!!! and get notifications about how somebody downloaded your Lot!!! What are you waiting for? Create your families, build you houses and get uploading to the gallery!
You must be logged in to your Origin account to upload to the gallery.