The Moorish Castle is the name given to a medieval fortification in Gibraltar comprising various buildings, gates, and fortified walls, with the dominant features being the Tower of Homage and the Gate House. Although sometimes compared to the nearby alcazars in Spain, the Moorish Castle in Gibraltar was constructed by the Marinid dynasty, making it unique in the Iberian Peninsula.
The Moorish occupation is by far the longest in Gibraltar's recorded history, having lasted from 711 to 1309 and then again from 1333 to 1462, a total of 727 years.
Construction of the Moorish Castle commenced in the 8th century AD. Its walls enclosed a considerable area, reaching down from the upper part of the Rock of Gibraltar to the sea. The most conspicuous remaining parts of the Castle are the upper tower, or Tower of Homage, together with various terraces and battlements below it, and the massive Gate House, with its cupola roof.
The present Tower of Homage, and most of what is visible today of the Castle, was rebuilt during the second Moorish period of occupation in the early 14th century, after its near destruction during a reconquest of Gibraltar by the Moors following a re-occupation by Spanish forces from 1309 to 1333.
References:The Broch of Clickimin is a large and well preserved, though somewhat restored broch near Lerwick. Originally built on an island in Clickimin Loch (now increased in size by silting and drainage), it was approached by a stone causeway. The water-level in the loch was reduced in 1874, leaving the broch high and dry. The broch is situated within a walled enclosure and, unusually for brochs, features a large 'blockhouse' between the opening in the enclosure and the broch itself. Another unusual feature is a stone slab featuring sculptured footprints, located in the causeway which approached the site. Situated across the loch is the Clickimin Leisure Centre.