The world-famous Hollywood Sign perches above Los Angeles like a celestial figure, a constant in a city of perpetual change and a dazzling emblem of Tinsel Town. It catches the eye of every visitor – a must-have selfie for tourists, a beacon of hope for aspiring stars whose dreams are spelled out in those soaring white letters: H-O-L-L-Y-W-O-O-D. As this iconic American landmark celebrates its 100th anniversary we look at its incredible story – the highs, the lows and everything in between.