There’s something magical about the hunt for treasure, and at Big D Flea Market in Dalton, Georgia, that magic comes with a side of southern charm and prices that’ll make your wallet do a happy dance.

That’s the OBT Flea Market experience in a nutshell. Located on Orange Blossom Trail (hence the “OBT” moniker), this massive marketplace has become something of a legend among savvy Florida shoppers ...