Area 51, a classified US military testing site in Nevada, became synonymous with aliens due to Cold War secrecy, UFO sightings and decades of speculation.

Former US President Barack Obama on Saturday said that he believes aliens are real, but maintained that he has no idea where they are.

There are places in the world that seem ordinary on a map but feel mysterious in the mind. Area 51 is one of those places. It sits in the Nevada desert, where the land is dry and empty, yet the ...