With The Hobbit trailer out, some among us may feel inspired to risk the trek to Mordor. But if you look for walking directions to it from the Shire on Google Maps, you'll be greeted with a warning: "Use caution—One does not simply walk into Mordor." The phrase echoes a line from Lord of the Rings: The Fellowship of the Ring that has become an Internet meme, the Telegraph reports, noting that it's unclear how long the Easter egg has been in existence. Its discovery follows Google's recently uncovered "Let It Snow" trick. Amusingly, the directions below the warning take travelers from "The Shire" to a London club 12 miles away called the Intrepid Fox ... perhaps because of this? (More Google Maps stories.)