The World's gambling capital celebrates its 100th anniversary in Las Vegas, United States on October 04th, 2004. [Getty Images]

UNITED STATES - OCTOBER 04: The Ghost Bar is an open air disco at the 55th floor of the Palms Resort Casino at the 100th anniversary of The World's gambling in Las Vegas, United States on October 04th, 2004. (Photo by David LEFRANC/Gamma-Rapho via Getty Images)

Gamma-Rapho David LEFRANC