Gavarnie

A circle of standing stones also surrounds Newgrange. .. excavation have shown that one of the stones of the circle lies directly on top of the Early Bronze Age Pit Circle. (see link)
See www.worldheritageireland.ie

"A variety of monumental stone structures, such as menhirs, standing stone (or stelae) alignments, stone circles, cairns, and tombs of different types covered by tumuli or simple mounds, were constructed in specific locations, in relation to the topographical features and the spatial and visual interconnections between the megaliths themselves." (AB Ev)

Several stone circles with a larger stone standing in the centre, located in the foothills of Jebel Umm Ishrin and Jebel Rum, have been identified as pre-Islamic shrines (AB ev)

"The circles of stones proposed for inscription represent the totality of the megalithic area in which the presence of such a large number of circles is a unique manifestation of construction and funerary practices which persisted for over a millennium" (OUV)

stone alignments and circles

Ring of Brodgar

"ritual places including earthworks and large stone circles reaching diameters of more than 50 metres" (Official description) Examples of this are Component Parts 010 (Komakino Stone Circle), 011 (Isedotai Stone Circles) and 012 (Oyu Stone Circles). (Nomination file, p. 68, 73, 78)

Hadrians Wall, Location 430ter-182 "Stone circle, defended settlement, Romano-British farmstead & field system, Roman camp & group of shielings immediately south of Greenlee Lough" (UNESCO)