In my continuing quest to gather first-hand information to answer the continuing question, I journeyed to southwest Colorado to see Mesa Verde National Park and its surrounding areas. The same digital tuner that picked up 62 channels outside Houston indicated that, in a second-floor room in Cortez CO, you can get exactly 0 over-the-air TV channels.
When I returned, I checked AntennaWeb, and it agreed completely. There’s a tiny set of repeater stations dozens of miles away, and that’s it.
On the way, I spent a night at the Movie Manor outside Monte Vista CO. Not only is it the only drive-in theater that I know of that still has a playground in front of the screen, all the motel rooms face the main screen and include a speaker for the movie. Highly recommended. But don’t bother with your OTA antenna, either; the same tuner also showed 0 channels here, too. Ditto about the distant repeaters.
So there you have it. In the middle of nowhere, where the land is gorgeous and desolate and sometimes as bleak as a forest of burned trees, maybe you can’t get any over-the-air TV channels very easily. Sounds like a great place for a satellite dish.