On Labor Day weekend of 1995, the Rock and Roll Hall of Fame opened its doors to the world. And while you may never make it to hall’s location—Cleveland, Ohio—you can delve into the world of rock’s greats online. Sound, pictures and memorabilia take you back through the history of rock and roll. You can learn (and hear) about each of the inductees (from Ackerman to Zappa), then peruse a list of 500 songs that shaped rock and roll. And, if you do have the chance to visit Cleveland, there’s a fount of info about the city. Rock lives!