10. Magh Sleacht, Cavan County, Ireland
In the past tense, Magh Sleacht plains is a place for the locals to worship a god, named Crom Cruach. The people sacrifice one of their three children for Given to the God for the exchange with the Milk, Meat, and other basic needs. The Cruach Crom is very frightening for the local people because of the cruel demand, namely fresh human blood. Besides that they also afraid to worship the god, because of the adorer often found dead with tragic when worship.
Now, there are often smell a flesh and blood near the plain which kissed by local people, and also often see a shadow figure who circled the place at Sunset time.