Premise: The Castaways Hotel and Casino, formerly the Showboat Hotel and Casino was a hotel and casino located at the north end of the Boulder Strip in Las Vegas, Nevada. The hotel consisted of a 19 story tower containing 445 rooms, a casino and an adjacent RV park. The Castaways hotel was demolished on January 11, 2006 to make way for an unknown project.
Hypothesis:  The Showboat Hotel and Casino was open for 19 years