Discovery was cool when I was a little kid. Or maybe I'm thinking of TLC, back when those letters actually stood for something.
What, you aren't a Toddlers & Tiaras fan?

Oh, vote for worse show on the History Channel. Pawn Stars. I'm not sure how it evenly remotely relates to history. THat and "Ice Road Truckers".
Makes about as much sense as the Scifi channel having some wrasslin'. The TVTropes link is spot on.