Discover the world-famous Chicago L - in all its grit and glory. The thundering L is one of Chicago's most enduring icons. Operating 247 since 1892, it is not only an antique but a working antique. More than 10 billion people have ridden the L, which now carries half a million people a day over 222 miles of track. The heavy, rumbling L has a light side too. It is sought out by tourists, featured in major motion pictures, enjoyed...