At Derrynagasha in County Cork, a site classified as a standing stone exists in the archaeological record while offering nothing whatsoever to the eye. The land is pasture, and there is no visible surface trace of the monument at all.

Standing stones are among the most common prehistoric monument types in Ireland, raised individually or in loose groupings across the landscape, most often during the Bronze Age. Their purposes remain debated, ranging from territorial markers to sites of ritual significance, but their physical presence, a single upright slab pushing out of the earth, is usually the whole point. At Derrynagasha, even that is gone. Whether the stone was toppled, buried by gradual soil movement, or removed entirely at some point in the intervening millennia is not recorded. What remains is essentially an address without a building, a place that archaeology acknowledges but the ground does not confirm.