Megalithic tombs ( see picture, right ) and promontory forts testifying to this can be seen at Slievemore, along the Atlantic Drive and on Achill Beg Island.

* Megalithic tombs, multichambered, and dolmens, single-chambered, were graves with a huge stone slab stacked over other similarly large stone slabs ; they have been discovered all across Europe and Asia and were built in the Neolithic and the Bronze Age.

* Megalithic tombs ( including Chamber tombs ) – prehistoric places of interment, often for large communities, constructed of large stones and originally covered with an earthen mound

Megalithic tombs are aboveground burial chambers, built of large stone slabs ( megaliths ) laid on edge and covered with earth or other, smaller stones.

Megalithic tombs appear to have been used by communities for the long-term deposition of the remains of their dead, and some seem to have undergone alteration and enlargement.

Elsewhere in the British Isles Neolithic people buried their dead in Megalithic tombs.

Megalithic tombs are relatively common, with court graves or court tombs being the oldest, some dating back to around 3500 BC.

The earliest evidence of human settlement in Fanad is probably the existence of Megalithic court tombs in a variety of locations including Tyrladden, Drumhallagh Upper and Crevary Upper dating possibly from circa 4, 000-3, 500 BC.

Early traces of human occupation include Megalithic tombs and Standing Stones.

The coastline area of Vila Real was inhabited by Megalithic tribes who constructed beehive tombs in the around Nora, near Cacela.

On the terrain of the Lüneburg Heath there are numerous Megalithic sites and tumuli from the New Stone Age and the early Bronze Age.

Although solar alignments are not uncommon among passage graves, Newgrange is one of few to contain the additional roofbox feature ( Cairn G at Carrowkeel Megalithic Cemetery is another, and it has been suggested that one can be found at Bryn Celli Ddu .).

Although these structures are the most ancient megalithic structures known so far, it is not clear that any of the European Megalithic traditions ( see below ) are actually derived from them.

Megalithic burials are found in Northeast and Southeast Asia.

Megalithic cemeteries contain burials that are linked together by low stone platforms made from large river cobbles.

Megalithic monuments are found in especially great number on the European Atlantic fringe, with stone circles particularly common in the British Isles.

" Megalithic " stone circles are also found in Hong Kong, see Stone Circles ( Hong Kong )

The most famous trilithons are those of Stonehenge in England and those found in the Megalithic temples of Malta, both of which are UNESCO World Heritage Sites.

Some examples of early cultural contact are the European Megalithic Culture and the Atlantic Bronze Age, or " carp's tongue sword complex ".

He found that the ring was slightly egg-shaped with a complex geometry of circles and ellipses which could be set out around a central triangle, using sizes which are close to whole multiples of what he called the Megalithic yard.

More and more young people are joining the Planet People, including the gangs that have been terrorising the cities and the soldiers assigned to keep them away from the Megalithic sites.

Quatermass theorises that this is not the first time this has happened ; Megalithic sites such as prehistoric stone circles are in fact markers where beacons have been left by the alien force for its next visit.

Megalithic art is found in many places in Western Europe although the main concentrations are in Ireland, Brittany and Iberia.

There are also many Megalithic and Neolithic sites plus many notable buildings in the area.

Carrowkeel Megalithic Cemetery, the Drumanone Dolmen and the popular fishing lakes of Lough Arrow and Lough Gara are also close by.

Many Megalithic monuments of this period exist in Cornwall and prehistoric remains in general are more numerous in Cornwall than in any other English county except Wiltshire.

Megalithic burial monuments, either individual barrows ( also known, and marked on modern British Ordnance Survey maps, as Tumuli ,) or occasionally cists covered by cairns, are one form.

In European megalithic architecture, such as that found in the Megalithic Temples of Malta, forecourts are curved in plan with the entrance to the tomb at the apex of the open semicircular enclosure that the forecourt creates.

Structures built by layering themselves in this way such as Stonehenge, are also part of this " house of cards architecture ", which dates back to the Cyclopean and Megalithic ages.

North of Djelfa town there is an imposing physical feature known as Salt Rock ( Rocher de Sel ) that resulted from the erosion of rock salts and marls by rain, and to the west of the town Megalithic funerary structures are found.

Margaret Ponting has suggested that artefacts such as a marked bone found during excavations at Dail Mòr near Callanish, the Patrickholme bone bead from Lanarkshire and Dalgety bone bead from Fife in Scotland have shown some evidence of being measuring rods based on the Megalithic Yard in Britain.

The triple spiral or triskele is a Celtic and pre-Celtic symbol found on a number of Irish Megalithic and Neolithic sites, most notably inside the Newgrange passage tomb, on the entrance stone, and on some of the curbstones surrounding the mound.

) and found three types of Megalithic monuments: stone circles, dolemanscist burials, and burrows.

* Nartiang Monoliths-The biggest collection of monoliths or Megalithic stones in one single area is found in the north of the Nartiang market.

Image of the Santa Cruz dolmen, burial place of chieftains of the Eastern Asturian area since Megalithic times. Although the earliest evidence of Christian worship in Asturias date from the 5th century, evangelisation did not make any substantial progress until the middle of the 6th century, when hermits like Santo Turibius of Liébana and monks of the Saint Fructuoso order gradually settled in the lands of the Cantabrian mountains and began preaching the Christian doctrine to the locals.

Megalithic art from Newgrange showing an early interest in curves

Excavation of some Megalithic monuments ( in Britain, Ireland, Scandinavia, and France ) has revealed evidence of ritual activity, sometimes involving architecture, from the Mesolithic, i. e., predating the Neolithic monuments by centuries or millennia.

Julian Cope, in The Megalithic European, proposes that the henge was a regional development from the Europe-wide causewayed enclosure.

* Henge search results from The Megalithic Portal

Azuaga has archeological remains from the Megalithic era, the Copper Age, Bronze Age, and also from the Orientalizing Period.

* Long barrow search results from Megalithic Portal.

* Bank barrow search results from the Megalithic Portal

Thom explored these topics further in his later books, Megalithic sites in Britain ( Oxford, 1967 ), Megalithic lunar observatories ( Oxford, 1971 ) and Megalithic Remains in Britain and Brittany ( Oxford, 1978 ), the last written with his son Archie after they carried out a detailed survey of the Carnac stones from 1970 to 1974.

Unfinished standing stones, set up without inscriptions from Libya in North Africa to Scotland were monuments of pre-literate Megalithic cultures in the Late Stone Age.

* Stanton Drew from Megalithic Walks

Fish hooks have been crafted from all sorts of materials including wood, animal < ref > C. Michael Hogan ( 2008 ) Morro Creek, The Megalithic Portal, ed.

* Round barrow and barrow cemetery search results from The Megalithic Portal.

Keith Critchlow suggested this may have shrunk from the Megalithic Yard over 3000 years.