NASAPlace is a parody of NASA, National Aeronautics and Space Administration or the National Aeronautics and Space Agency Place. It was featured in the episode "Battle of the Planets" and was also mentioned in "Germs".
Dib apparently has visited this location many times, and the director is annoyed by his insane ravings about the end of the world. The guards there also know about Dib and disregard him as well.
It was revealed in "Battle of the Planets" that Agent Darkbootie works there as a janitor when he helps Dib fly into outer space to confront Zim, who was flying Mars towards Earth.
In Issue 45, it's revealed that NASAPlace has gone defunct from lack of funding since the time of the show.