Whether it's Paris, London, Buenos Aires or New York City with X-pro II, Toaster, Inkwell or Hefe, there's plenty to see on the 50-million strong photo-sharing platform. Owners of iPhones and Androids capture skylines, facades and brief moments of city life.
Check out the gallery below for an Instagram-guided tour through some of the best and most beautiful cities around the globe. Which photos do you find the most striking? Sound off in the comments.
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Series presented by T-Mobile
The Best of Instagram Series is presented by T-Mobile. The 4G Tweet Race is a week-long campaign starting May 3 that pits Twitter users against one another in a daily, frantic race for retweets. Players register on the official Tweet Race page on T-Mobile's Test Drive, and each racer's tweets must contain three elements: #4GTweets, http://t-mo.co/4GTweets and @TMobile, and must be submitted during the race to be eligible. There are 7 races over the course of the week, and the winners of all 7 heats will face off in a final race on May 15th to see whose social graph is quickest. The winner of each heat will win a new HTC One™ S phone with a year of T-Mobile’s Unlimited Value service, and the final winner will take home a cool $4,000.