In 1947, residents of Roswell, New Mexico witnessed a strange and mysterious crash that became the stuff of legend. All sorts of conspiracy theories sprang up to explain what happened on that long-ago night. While many believe a UFO spacecraft crashed near Roswell, others insist it's more likely to have been the remains of a weather balloon.
Roswell, New Mexico
Whatever you believe, Roswell is high up on the list of must-visit travel destinations for alien fanatics! And even if you don't manage to spot any real-life aliens -- you can spend some time hanging out with fellow enthusiasts at the International UFO Museum and Research Center.