We all love the idea of finding hidden treasures inside our homes. Imagine just stumbling across a secret passageway or underground lair inside your own house! Well, for one man, this exciting dream actually came true—in a way no one had expected.This man found something extremely unusual in his home—which led to the discovery of a decades-long secret that no one had expected.Read on to find out the truth of just what this homeowner discovered within his own walls.