If you hear the term "survivalist" and it conjures images of militants and conspiracy theorists— residing on the fringes and on compounds, armed to the teeth—well, it's time to reset your doomsday ...

Prepping isn't anything new--physical, financial and spiritual prepping. But some people here in East Tennessee aren't just preparing for the end of the world. Three words changed Heidi Keller's life.

A BBC One documentary series put the spotlight on Cosby, Tennessee, and some of its residents who are preppers, highlighting their way of life and how they spend time preparing for different disasters ...