In the early 1940s, during the second World-War, claims of UFO sightings became a mainstream sensation. At first, the sightings were claimed from various parts of U.S.A. alone, but soon it became a global obsession and claims of various UFO sightings were made all over the world. Thousands of people have made claims of alleged UFO sightings and hundreds of them have even claimed actual alien abduction. The visits and existence of an extra-terrestrial life among us has been a popular topic for debate for decades, but until today, we had no valid proof to support such claims. Here we have curated the ten most popular cities to spot a UFO, due to their amount of reported extra-terrestrial activity.