Here's the view I had from the one evening I was there:
Fajada Butte (where the famous "Sun Dagger" is located). In the photo Fajada Butte is joined by Venus, which in turn is nestled in the teapot of Sagittarius. Moonlight is illuminating the butte. That's not light pollution in the sky (you'll find very little of it in the park), but rather the glow of the evening twilight sky.
The park is home to extensive ancient ruins which are the focus of many studies in archaeoastronomy but it also has a night sky program with numerous telescopes, including a wonderful 25-inch Obsession in a dome.
The daytime stars of the park are its archaeological treasures. Here are two photos looking down on Pueblo Bonito:
There are many archeological sites in the park. Here's the view looking down on another site, Kin Kletso ("Yellow House"):
petrograph that might depict the 1054 A.D. supernova.