
Balfour Castle is a historic building on the southwest of Shapinsay, Orkney Islands. Though built around an older structure that dates at least from the 18th century, the present castle was built in 1847, commissioned by Colonel David Balfour, and designed by Edinburgh architect David Bryce. It is a Category A listed building and the landscape and formal gardens are listed in the Inventory of Gardens and Designed Landscapes in Scotland.

The Bishop's Palace, Kirkwall is a 12th-century palace built at the same time as the adjacent St Magnus Cathedral in the centre of Kirkwall, Orkney, Scotland. It housed the cathedral's first bishop, William the Old of the Norwegian Catholic church who took his authority from the Archbishop of Nidaros (Trondheim). The ruined structure now looks like a small castle.

Wyre is one of the Orkney Islands, lying south-east of Rousay. It is 311 hectares (1.20 sq mi) and 32 metres (105 ft) at its highest point. It is one of the smallest inhabited islands in the archipelago.
The Earl's Palace in Birsay, Orkney, Scotland, is a ruined 16th-century castle. It was built by Robert Stewart, 1st Earl of Orkney (1533–1593), illegitimate son of King James V and his mistress Euphemia Elphinstone. The palace is in the care of Historic Environment Scotland as a Scheduled Ancient Monument.

The Earl's Palace is a ruined Renaissance-style palace near St Magnus's Cathedral in the centre of Kirkwall, Orkney, Scotland. Built by Patrick, Earl of Orkney, its construction began in 1607 and was largely undertaken via forced labour. Today, the ruins are open to the public.

Noltland Castle is located near Pierowall on the island of Westray in the Orkney Islands of Scotland. It dates mainly to the later 16th century, although it was never fully completed. The castle is protected as a scheduled monument.

Wyre is one of the Orkney Islands, lying south-east of Rousay. It is 311 hectares (1.20 sq mi) and 32 metres (105 ft) at its highest point. It is one of the smallest inhabited islands in the archipelago.