Well, the Paramount CEO had a point.
The Star Trek Experience at Las Vegas Hilton lasted 10 years (1998-2008) before closing due to declining attendance.

Another space theme that was an "experience" in a kitschy sort of way was the space-station themed room that was part of Stupak's Vegas World, before its closing & conversion to the Stratosphere. Including a space-station giant roulette wheel on one wall!