Grandfather finds hidden treasure in plain sight as park officials 'dumbfounded' by discovery

A grandfather from Tennessee recently walked away from an Arkansas state park with a remarkable discovery: a yellow diamond.

He made the discovery at Crater of Diamonds State Park in Pike County, Arkansas State Parks announced Aug. 29.

At the time, Barry G. Smith of Germantown, Tennessee, was searching for diamonds in the park with his two granddaughters, Sage and Juniper.

STUNNED COUPLE UNEARTHS 150-POUND MYSTERY HIDDEN BENEATH THEIR BACKYARD FOR DECADES

​"Not expecting anything more than a fun time...