Did you know that the oldest engraved object in the world is a pebble with over twenty engraved lines, and that it is one hundred thousand years old? Using stones to decorate gardens, walkways, and other outdoor property has been a popular choice for many years, and the variety of engraved stones and welcome stones is impressive. In fact, finding welcome stones and other engraved stones and garden decor is easier than you might think. With the right tools, you may even be able to make them yourself. If you are looking for unique housewarming gifts or a great way…