National Geographic/Ami Vitale
With 17 million followers, the magazine's Instagram account is one of the most beloved on the platform - in fact, @natgeo is the top non-celebrity account.
The account is celebrating a recent milestone, having just surpassed 1 billion likes after posting almost 7,000 photos. They've also launched two new accounts: @natgeoyourshot, where the curate the best reader-submitted photos, and @natgeoadventure, where they spotlight photographers and adventurers.
The @natgeo account is also incredibly diverse and young - 70 percent of followers come from outside the United States and 75 percent are millennials, according to National Geographic.