Graines Castle's Hidden Chapel - A Century-Old Italian Enigma

Tucked away in the unpleasant authenticity of Graines Castle in Italy, much like a squirrel in its cozy lair, resides an ancient riddle hidden inside a silent sentry: the chapel atop the rocky promontory that's weathered the Alps for eons. It's more than a relic, mind you. It's a mystery that tickles the curiosity of everyone in Graines, a question they seem to conveniently walk around as if they're at a fancy-schmancy ball. Was this place of worship built to be a sacred retreat for the castle's monks, or a cunningly concealed escape hatch during times of invasion? The answers, I daresay, are as elusive as the chapel itself, likely forever lost to the mists of time.

Sources: Wikipedia, OpenStreetMap, Wikidata, Wikimedia Commons