In the United Kingdom, a scheduled monument is a nationally important archaeological site or historic building, given protection against unauthorised change.
Cranmore Castle in Devon is an Iron Age earthwork. Like many scheduled monuments, it blends into the landscape, and may not be evident even to those crossing over it.
Loughbrickland Crannóg in Northern Ireland is a late Bronze Age human-made island.
Rosslyn Chapel in Scotland is an intact church, though only the unused sections are protected by scheduling
With a moat, this is the only scrap of masonry that remains of Sleaford Castle in Lincolnshire
Cadw is the historic environment service of the Welsh Government and part of the Tourism and Culture group. Cadw works to protect the historic buildings and structures, the landscapes and heritage sit
Dolwyddelan Castle, one of the sites in Cadw's care.
Valle Crucis Abbey ruins, a historic abbey in Cadw's care
Pentre Ifan, a Neolithic dolmen in Pembrokeshire