Bob Ross and History Book Prints

I've seen numerous rooms with paintings displayed on their walls that look like they were ripped out of a history textbook or found in a dusty box in the back of value village (which they are).  A year ago I probably would have said one of these "Bob Ross" paintings or history book prints would never make a come back as stylish home art...but then I'd be eating my words.

check out how these people
made stuffy paintings look anything but: