Earth is full of beautiful places. Between paradisiacal islands, breathtaking waterfalls, sunny beaches, coves, mountains and cliffs, nature has created some very beautiful things. On the other hand, the earth's surface also has its fair share of dark and gloomy places.Often of human origin, these uncomfortable places are really quite terrifying. Horror seems to attract humans and their curiosity, and some of these sites have even become tourist attractions such as the catacombs in Paris or even the Jewish cemetery in Prague...