Some people consider it good luck to put a horse shoe above the door. It is thought that when guests come to a house where there's a horseshoe hanging above the door, they have to leave by the same way or they will take the luck from the horseshoe with them, away from the house.
To be sure of good luck for the New Year, it is said that you should sleep with a horseshoe under your pillow on New Year’s Eve. The shape of the horseshoe is supposed to ward off the evil eye. And if you find a horseshoe, this is supposed to be very lucky if the open space is facing toward you. If you dream of finding one too, this will bring good luck. Sailors are traditionally very superstitious and used to nail a horseshoe to the foremast of their ships to keep witches and wizards from cursing the voyage or damaging the ship.
However good luck comes in many forms. This article describes some of the lucky places in the world that you can visit (I have never been to any)