Barberstown Castle in County Kildare stands as a remarkably well-preserved medieval tower house, now serving as the southern end of an 18th-century hotel.

Just south of where the River Liffey meets the Rye Water stands Leixlip Castle, a medieval fortress that has been continuously inhabited for over 800 years.

In the countryside of County Kildare, aerial photography has revealed the ghostly outline of a rectangular enclosure measuring approximately 45 by 70 metres.

In the countryside of County Kildare, the townland of Usk once held a substantial dwelling that locals referred to as "the Castle".

In the summer of 1991, Dr. Gillian Barrett was conducting an aerial photographic survey over County Kildare when she spotted something intriguing in the fields near Gotham. T

In the quiet pastures of Barrettstown, County Kildare, the crumbling remains of a tower house tell a story of centuries past.

On a gentle rise in the landscape near Kilrathmurry, County Kildare, the remains of a medieval moated site offer a glimpse into Ireland's turbulent past.

In the grounds of Lord Cloncurry's demesne at Lyons in County Kildare stands a curious castellated structure that has puzzled visitors and historians alike.

Tucked into the north corner of a 17th-century house in Calverstown Demesne, County Kildare, sits the remnants of a medieval tower house that tells a story of centuries of architectural adaptation.

Visible only from above, the cropmarks at Ballynasculloge in County Kildare reveal the ghostly outline of a medieval moated site that once stood here centuries ago.

In the townland of Flemingstown North, County Kildare, the remnants of what was once a substantial defensive structure lie hidden beneath a carpet of grass.

At the northwestern foot of a long, gently sloping pasture in Mylerstown, County Kildare, the remains of a castle stand as a reminder of medieval power struggles in the region.

At Fearmore in County Kildare, the remnants of a medieval moated site occupy a gentle southwest-facing pasture slope, with a small stream flowing nearby.

This medieval moated site sits on level pasture about 50 metres north of the southwest-flowing Slate River in Drumsru, County Kildare.

In the townland of Grangemellon, County Kildare, a fascinating piece of architectural history was lost in 1971 when the gatehouse to St Leger's castle and bawn was demolished.