Scanning parks and beaches with one of these can be a unique and fascinating hobby.

Thom Parham is on a mission to uncover parts of Florida’s buried past. The 64-year-old history teacher and conventional archeologist in Keystone Heights has his sights on finding Seminole War Fort No.

For most of us, the fantasy of finding buried treasure faded away along with other childhood passions, like my youthful ambition to set a Guinness World Record for building the world’s largest pillow ...