WORTH WATCHINGGhosts of Devil’s Perch (Sunday, 9/8c, Travel Channel, streaming on discovery+): The latest paranormal series digs deep into the spooky history of historic mining town Butte, Montana, where investigator Dave Schrader, psychic Cindy Kaza and tech expert K.D. Stafford seek out spirits in the so-called “Devil’s Perch,” starting with a creepy Gilded Age mansion.