I haven't met aliens, but I've met 'other beings'. They still can be seen in remote places where no one goes, mainly woods and mountains. For example, if you go to a forest at night, you may be fortunate enough to see a fairy for a brief moment. There are also other beings, but I'm not sure what they're called in English. Some are pretty dangerous though.
Come, visit this part of the world and maybe you'll see some of them.
which part of the world are you referring to?
Eastern Europe, in my case. But I believe there are other places, where similar creatures may live. They need solitude though. Areas with heavy industry, big cities, highways, etc. are out of question. My grand parents lived in a cottage far from any big city. They used to collect wood, mushrooms, forest fruits etc in nearby forest. Sometimes, I used to go with them and that's when I saw those creatures. Of course, it didn't happen everytime I went to the forest, but once in a blue moon.