List of archaeoastronomical sites by country
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This is a list of sites where claims for the use of archaeoastronomy have been made, sorted by country.
The International Council on Monuments and Sites (ICOMOS) and the International Astronomical Union (IAU) jointly published a thematic study on heritage sites of astronomy and archaeoastronomy to be used as a guide to UNESCO in its evaluation of the cultural importance of archaeoastronomical sites around the world, which discussed sample sites and provided categories for the classification of archaeoastronomical sites. The editors, Clive Ruggles and Michel Cotte, proposed that archaeoastronomical sites be considered in four categories: 1) Generally accepted; 2) Debated among specialists; 3) Unproven; and 4) Completely refuted.
- Zorats Karer (aka Carahunge), archeological site claimed to have astronomical significance although this is disputed.
- Ngaut Ngaut oral tradition says these engravings represent lunar cycles.
- Wurdi Youang, a stone arrangement with possible solar alignments
- Calçoene (called "Amazon Stonehenge")
- Magura Cave, Bronze Age "paintings of staggered black and white squares could have been used to count the days in a calendar month", possibly indicating the number of days in the solar tropical year.
- Angkor Wat
- Phnom Bakheng, According to Jean Filliozat of the École Française, the center tower represents the axis of the world and the 108 smaller ones represent the 4 lunar phases each with 27 days.
- El Infiernito, (Spanish for "Little hell"), is a pre-Columbian Muisca site located in the outskirts of Villa de Leyva, Boyacá Department, Colombia. It is composed of several earthworks surrounding a setting of menhirs (upright standing stones); several burial mounds are also present. The site was a center of religious ceremonies and spiritual purification rites, and also served as a rudimentary astronomical observatory.
- Abu Simbel, The axis of the temple was positioned by the ancient Egyptian architects in such a way that twice a year, on October 20 and February 20, the rays of the sun would penetrate the sanctuary and illuminate the sculpture on the back wall, except for the statue of Ptah, the god connected with the Underworld, who always remained in the dark.
- Nabta Playa
- Precinct of Amun-Re
- The so-called Giants' Churches (Finn. jätinkirkko), which are large, from c. 20 metres (66 ft) to over 70 metres (230 ft) long rectangular or oval stone enclosures built in the Neolithic (c. 3000–1800 BC), have axis and doorway orientations towards the sunrises and sunsets of the solstices and other calendrically significant days. For example, the Kastelli of Raahe, which is one of the largest Giants' Churches, had its five "gates", i.e. wall openings, oriented towards the midsummer sunset, the winter solstice sunrise, winter solstice sunset, the sunrises of the mid-quarter days of early May (Walpurgis, Beltaine) and August (Lammas), as well as the sunrise 11 days before the vernal equinox in 2500 BC.
- Newgrange, once a year, at the winter solstice, the rising sun shines directly along the long passage into the chamber for about 17 minutes and illuminates the chamber floor. (Generally accepted).
- Mound of the Hostages
- Drombeg stone circle, at the winter solstice, the sun sets into a v formed by two distant overlapping hills and makes an alignment with the altar stone and the two main uprights. Due to the nature of the site and the western hills, local sunset is c. 15:50.
- Beltany stone circle
- Beaghmore Stone Circles, a complex of early Bronze Age megalithic features, stone circles and cairns. Some archaeologists believe that the circles have been constructed in relation to the rising of the sun at the solstice, or to record the movements of the sun and moon acting as observatories for particular lunar, solar or stellar events. Three of the stone rows point to the sunrise at the time of the solstice and another is aligned towards moonrise at the same period.
- Tel a-Sultan/Jericho Barkai, R. & Liran, R. (2008) “Midsummer sunset at Neolithic Jericho.” Time and Mind: The Journal of Archaeology, Consciousness and Culture 1/3: 273-84
- Cañada de la Virgen
- Casas Grandes
- Chichen Itza
- The Caracol is theorized to be a proto-observatory with doors and windows aligned to astronomical events, specifically around the path of Venus as it traverses the heavens. (Debated among specialists).
- The main pyramid El Castillo (the Temple of Kukulkan) displays the appearance of a snake "crawling" down the pyramid at the spring equinox (Unproven).
- Dzibilchaltun, Spring equinox, the sun rises so that it shines directly through one window of the temple and out the other.
- Ikil, Hierophany where the sunrise on the day of the solar zenith transit aligns with the summit of Ikil Structure 1 as viewed from an observation point within Ikil Cave 1.
- Monte Alban, zenith tube
- La Quemada
- El Tajín
- Teotihuacan, the pecked-cross circles as survey-markers
- Uxmal, Venus alignment of the "Governor's Palace"
- Xochicalco, zenith tube
- Funnel Beaker Culture megalith graves ("hunebedden") in the eastern Netherlands might be oriented on moonrises.
- Boscawen-Un Winter Solstice sunrise out of the Lamorna Gap 
- Bryn Celli Ddu – aligned with the summer solstice such that light illuminates a quartz rich stone at the back of the chamber 
- Callanish Stones
- Durrington Walls
- Maeshowe, it is aligned so that the rear wall of its central chamber, a rough cube of five yards square held up by a bracketed wall, is illuminated on the winter solstice.
- Prehistoric Orkney
- St Edward the Confessor's Church, Leek. Traditional site for observing a double sunset.
- Stonehenge (Generally accepted).
- America's Stonehenge in New Hampshire
- Anderson Mounds, Anderson, Indiana.
- Bighorn Medicine Wheel
- Cahokia, large Mississippian culture site with numerous solar and other alignments
- Casa Malpaís Archaeological Site, Springerville, Arizona. Summer solstice at noon and sunset.
- Chaco Canyon, cardinal orientations, meridian alignment, inter-pueblo alignments
- Chimney Rock Archaeological Area, near Pagosa Springs, Colorado
- Crack Cave at Picture Canyon (Colorado) in Comanche National Grassland
- Emerald Mound and Village Site, Lebanon, Illinois
- Haleets on Bainbridge Island in Washington state
- Hovenweep Castle
- Holly Solstice Panel in Hovenweep National Monument
- Moorehead Circle, timber circle in Ohio
- Octagon Earthworks
- Serpent Mound
- Skystone near Naches Trail in Washington state
- Wally's Dome in Sacramento Mountains (New Mexico)
- List of colossal sculpture in situ
- List of Egyptian pyramids
- List of megalithic sites
- List of menhirs
- List of Mesoamerican pyramids
- List of Roman bridges
- List of Roman domes
- List of statues
- List of statues by height
- List of tallest statues in the United States
- List of world's largest domes
- New Seven Wonders of the World
- Ruggles, Clive; Cotte, Michel, eds. (2011), Heritage Sites of Astronomy and Archaeoastronomy in the Context of the UNESCO World Heritage Convention, Paris: ICOMOS / IAU, ISBN 978-2-918086-07-9
- Ruggles, Clive; Cotte, Michel (2011), "Conclusion. Astronomical Heritage in the Context of the UNESCO World Heritage Convention: Developing a Professional and Rational Approach", in Ruggles, Clive; Cotte, Michel (eds.), Heritage Sites of Astronomy and Archaeoastronomy in the Context of the UNESCO World Heritage Convention, Paris: ICOMOS / IAU, pp. 261–273, ISBN 978-2-918086-07-9
- Ruggles, Clive (2015), "Establishing the credibility of archaeoastronomical sites", Proceedings of the International Astronomical Union, 11 (A29A): 97–99, doi:10.1017/S1743921316002477
- Australian Aboriginal Astronomy Archived 2013-10-28 at the Wayback Machine at the CSIRO site. Accessed on 2009-08-02.
- Norris, R.P.; Norris, P.M.; Hamacher, D.W.; Abrahams, R. (2013). "Wurdi Youang: an Australian Aboriginal stone arrangement with possible solar indications". Rock Art Research. 30 (1): 55–65.
- Stoev, Alexey; Maglova, Penka (2014), "Astronomy in the Bulgarian Neolithic", in Ruggles, Clive L. N. (ed.), The Handbook of Archaeoastronomy and Ethnoastronomy, New York: Springer, pp. 1377–1384, ISBN 978-1-4614-6140-1
- Time Life Lost Civilizations series: Southeast Asia: A Past Regained (1995) p.93-4
- Zhentao Xu; David William Pankenier; Yaoting Jing (2000). East Asian Archaeoastronomy: Historical Records of Astronomical Observations of China, Japan and Korea. CRC Press. p. 2. ISBN 978-90-5699-302-3.
- Alberto Siliotti, Egypt: temples, people, gods,1994
- Ania Skliar, Grosse kulturen der welt-Ägypten, 2005
- Okkonen, J. & Ridderstad, M. 2009: Jätinkirkkojen aurinkosuuntauksia; in Ei kiveäkään kääntämättä, Juhlakirja Pentti Koivuselle, pp. 129–136.
- Tähdet ja Avaruus, Ursa astronomical assosiacion's magazine 4 / 2009 p.15
- Rohde, Claudia: Kalender in der Urgeschichte. Fakten und Fiktion, Rahden 2012
- Clive Ruggles and Michel Cotte (ed.), Heritage Sites of Astronomy and Archaeoastronomy. ICOMOS and IAU, Paris, 2010.
- Subhash Kak, Archaeoastronomy in India. arXiv:1002.4513v2
- J.M. Malville and L.M. Gujral, Ancient Cities, Sacred Skies. New Delhi, 2000.
- Rana P.B. Singh, Cosmic Order and Cultural Astronomy. Cambridge Scholars Publishing, 2009.
- "Archived copy". Archived from the original on 2007-11-02. Retrieved 2007-10-12.CS1 maint: archived copy as title (link)
- Anthony Aveni, Stairway to the Stars: Skywatching in Three Great Ancient Cultures (New York: John Wiley & Sons, Inc., 1997) 135–138 ISBN 0-471-15942-5
- "Archived copy". Archived from the original on 2013-02-15. Retrieved 2013-03-05.CS1 maint: archived copy as title (link)
- Langbroek M., Huilen naar de maan. Een verkennend onderzoek naar de orientaties van Nederlandse hunebedden. P.I.T. 1:2 (1999), 8–13
- Belmonte, Juan Antonio (2015), "Ancient 'Observatories' – A Relevant Concept?", in Ruggles, Clive L. N. (ed.), Handbook of Archaeoastronomy and Ethnoastronomy, 1, New York: Springer, pp. 133–145, doi:10.1007/978-1-4614-6141-8, ISBN 978-1-4614-6140-1,
[T]he proposed use and precision have never been appropriately proven or tested. In addition, the site lacks any historical or ethnographical context.
- Carolyn Kennett, (2018), Celestial Stone Circles of West Cornwall: Reflections of the sky in an ancient landscape
- "Sensational new discoveries at Bryn Celli Ddu". British Archaeology. August 2006. Archived from the original on 23 September 2015. Retrieved 14 December 2017.
- A History of Britain, Richard Dargie (2007), p. 12.
- "Solar Astronomy in the Prehistoric Southwest". www.hao.ucar.edu. Archived from the original on 2016-11-20. Retrieved 2013-08-21.
- "Solar Astronomy in the Prehistoric Southwest". www.hao.ucar.edu. Archived from the original on 2016-10-22. Retrieved 2013-08-21.
- Newark Earthworks
- Page II, Joseph (2013). New Mexico Space Trail. Arcadia Publishing Library. p. 87. ISBN 978-1531667368.