At Stickins in County Kildare, an ancient circular enclosure survives only as a ghost. No earthwork rises from the ground, no ditch or bank interrupts the grass, and the low hill on which it once sat is now occupied by a modern house and an extensive farmyard. The only evidence that anything was ever there at all is a cropmark, the faint but legible signature of buried archaeology that reveals itself from above when differential soil moisture causes crops to grow at slightly different rates over disturbed or filled ground.

The enclosure was identified through aerial photography, appearing on a GSI image as a small circular cropmark on that gentle rise in the landscape. Circular enclosures of this kind are common across Ireland, and while their dates and functions vary considerably, many are the remnants of ringforts, the enclosed farmsteads that were the dominant settlement form during the early medieval period, roughly the fifth to twelfth centuries. Others belong to prehistoric contexts entirely. Without excavation, the precise nature or date of the Stickins example cannot be determined. What the aerial record does establish is the shape, the setting on elevated ground, and the fact that whatever was built or dug here has since been completely absorbed into the working landscape around it.