The following is an adapted excerpt from Paranormal Texas, my best-selling travel guide to haunted places and paranormal hot spots near Dallas and Fort Worth. Check it out if you enjoy learning historic haunted lore, or are looking for unusual road trip ideas in north Texas. The legend of hidden gold in Arlington’s Crystal Canyon Natural Area is one of those tall Texas tales that make historians roll their eyes. It’s such a persistent bit of folklore, however, that I had to look into it. Besides, all fiction aside, people do report paranormal activity here. Like many legends, the story of…