Thousands of National Geographic readers shared photos of their favorite travel spots on social media to help us celebrate Best of the World 2026, our list of the 25 must-see destinations next year. We examined more than 3,000 incredible pictures for this Your Shot Hashtag Challenge and selected 10 of our favorites—including Sebastián Tan’s beautifully framed snap of Iceland’s Kirkjufell peak and the powerful Kirkjufellsfoss waterfall. Check out more stunning photos from these visual storytellers.

From space-flight simulations to survival training in deserts and jungles, NASA’s curriculum to prepare astronauts for its second mission into space was intense. National Geographic had behind-the-scenes access, and these must-see photos from our archives show the pressure cooker environments the space agency created to prepare astronauts like Frank Borman—pictured above—for every out-of-this-world scenario.

Thanks for reading today’s newsletter, which was edited and curated by Sidney Madden with the help of National Geographic’s photo team. It was produced by Amanda Williams-Bryant. Did someone forward this to you? Sign up here to catch next week’s Photo of the Week newsletter.