Tregrug Castle

New House Farm, Llangybi, Monmouthshire is a substantial farmhouse dating from c.1700. It has been little altered since the date of its construction. It is a Grade II* listed building.

Llangybi (also spelled Llangibby) is a village and community in Monmouthshire, in southeast Wales, in the United Kingdom. It is located 3 miles (4.8 km) south of the town of Usk and 5 miles (8 km) north of Caerleon, in the valley of the River Usk. In 2011 the village itself had a population of 444, with a nearly equal number living in its outlying areas, among them the settlement of Tregrug, near the ruins of a medieval castle.

Ton Farmhouse, Llangybi, Monmouthshire is a farmhouse dating from the early 17th century. John Newman, in his Monmouthshire Pevsner, describes it as a "perfect Monmouthshire farmhouse". Ton is a Grade II* listed building, its listing noting that it is a "remarkably good survival" of a prosperous 17th century Welsh farmhouse.

The White Hart Inn, Llangybi, Monmouthshire is a public house dating from the early 17th century. Located at a crossroads in the centre of the village, it is a Grade II* listed building.

The Church of St Cybi, Llangybi, Monmouthshire is a parish church with its origins in the 13th or 14th century. Refurbished in the 15th century, the church was restored in 1909–10. The interior has a notable collection of medieval wall paintings, in particular a Christ of the Trades, dating from c.1460. The church is an active parish church and part of the recently-formed Heart of Monmouthshire Ministry Area. It is a Grade II* listed building and the architectural writer John Newman, recording the church in the Buildings of Wales series, described it as "one of the most interesting in the Usk Valley."

The Usk Inlier is a domed outcrop of rock strata of Silurian age in Monmouthshire in south-eastern Wales. It is located in the countryside between the towns of Caerleon and Pontypool and the village of Raglan. The longer axis of the dome or 'pericline', often referred to as the Usk Anticline, is aligned north–south. The inlier is largely surrounded by a sequence of Old Red Sandstone rocks of Devonian age, though both these and the Silurian rocks are largely obscured by superficial deposits.

HM Prison Prescoed (Welsh: Carchar Prescoed EF) is a Category D men's open prison, located in Coed-y-paen, three miles from Usk in Monmouthshire, Wales. Prescoed is operated by His Majesty's Prison Service, and acts as a satellite prison of the nearby HMP Usk.

Berllan-deg, Llanhennock, Monmouthshire is a country house dating from the mid-17th century. A rare survival of a remarkably unaltered hall house, Berllan-deg is a Grade II* listed building.

Cefn Ila (Welsh: Coed Cefn Ila) is an 83 acres (34 ha) woodland located in Llanbadoc, a mile away from Usk, Monmouthshire, Wales, owned and run by the Woodland Trust Wales (Coed Cadw). The estate is designated Grade II on the Cadw/ICOMOS Register of Parks and Gardens of Special Historic Interest in Wales.

Llanbadoc (Welsh: Llanbadog Fawr) is a village and community in the county of Monmouthshire and the preserved county of Gwent in Wales. The population of the village at the 2011 census was 806.The village is in the Newport postal district of NP15, just across the River Usk from the town of Usk (Welsh: Brynbuga), off the A472. Llanbadoc is within the British House of Commons and Senedd constituencies of Monmouth. There are not many facilities in this small village - there is a village and parish church, a garage, a saw mill, an open prison and an agricultural college. Llanbadoc is the birthplace (1823) of Alfred Russel Wallace. The community includes the villages of Monkswood and Glascoed.

The Church of St Madoc, Llanbadoc, Monmouthshire is a parish church with its origins in the 14th century. A Grade II* listed building, the church remains an active parish church.

Tredunnock (Welsh: Tredynog) is a small village in Monmouthshire, south east Wales, in the United Kingdom. Tredunnock is located four miles (6.4 km) northeast of Caerleon and four miles south of Usk.