Ever wonder what it is like finding a Spanish “Piece of 8” and sunken treasure on a Spanish galleon shipwreck? This is what treasure hunting dreams are made of! The Treasure Experience was part of a show on sunken treasure that ran on History International and Hallmark Channels. Produced by Robert Lewis Knecht and April Knecht, filmed & edited by Robert Lewis Knecht – All diving on these sites was done with full permission. No laws were broken.