Texas is full of historic graveyards and I love exploring them. I rarely visit modern cemeteries, unless there is someone famous buried there or a particularly unique headstone to check out. For the most part, newer graveyards lack the history, the beautiful old trees, and the finely crafted headstones and monuments of the older ones. Yesterday, however, I checked out a graveyard that has only been around since 1982. What made me curious about Smoke Rise Farm (11330 Mountain View Drive, Azle, Texas 76020) is that it’s a pet cemetery. I’d never seen an official animal graveyard before, so I…