They're all "good", in that they're made well, include lots of drama, portray a speudo scientific author as an authority, overdramatize, and bald faced lie about things they speak to.
Personally, I have had a few qualms with the History Channel in certain area, and this sort of tripe is one of those areas.
Just the first 4 minutes of this "documentary" spelled it out clearly...
1. There was no "galactic alignment" predicted by Mayan Calendars. The Mayans certainly saw the Milky Way in the sky, but they had no idea what it was. It would be a c... [More]