Editing Out-of-place artifact (section)

== Natural objects mistaken for artifacts ==
[[File:Eltanin Antenna.jpg|thumb|[[Eltanin Antenna]]]]
* [[Aix-en-Provence]] petrified tools: Likely petrified tree remains.<ref name="Stillman1820">Stillman, B (1820) ''Curious Geological Facts'': The American Journal of Science. v. 2, no. 1, pp. 144–146. (November 1820). [https://archive.org/details/mobot31753002151832 Internet Archive copy] archived on May 27, 2011.</ref><ref name="FitzpatrickMatthews2002">Fitzpatrick-Matthews, K (2007) ''[https://web.archive.org/web/20161116210254/http://www.badarchaeology.com/out-of-place-artefacts/very-ancient-artefacts/tools-in-rock-at-aix-en-provence/ Tools in rock at Aix-en-Provence]''. Archived from [http://www.badarchaeology.com/out-of-place-artefacts/very-ancient-artefacts/tools-in-rock-at-aix-en-provence the original] on November 16, 2016.</ref>
* [[Baigong pipes]]: Their natural origins have been challenged.<ref name="Anonymous2002a">Anonymous (2002) [http://english.peopledaily.com.cn/200206/25/eng20020625_98530.shtml ''Mysterious Pipes Left by 'ET' Reported from Qinghai.''] [http://english.peopledaily.com.cn/ People's Daily Online], Beijing, China. Retrieved March 8, 2014.</ref><ref name="Anonymous2002b">Anonymous (2002) [http://english.peopledaily.com.cn/200206/19/eng20020619_98177.shtml ''Chinese Scientists to Head for Suspected ET Relics.''] [http://english.peopledaily.com.cn/ People's Daily Online], Beijing, China. Retrieved March 8, 2014.</ref><ref name="Dunning2009a">{{Skeptoid|id=4181|number=181|title=The Baigong Pipes|access-date= March 8, 2014}}</ref>
* [[Bosnian pyramid claims|Bosnian pyramid complex]]: Unproven claim that there is a [[pyramid]] complex in the vicinity of town of [[Visoko]] in [[Bosnia (region)|Bosnia]], made by [[Early history of Bosnia and Herzegovina|ancient Bosnians]].
* [[Eltanin Antenna]]: Actually a [[sponge]].<ref name="Brooksmith2004a">Brookesmith, P (2004) [http://www.forteantimes.com/features/articles/155/the_eltanin_enigma.html ''The Eltanin Enigma.''] {{webarchive|url=https://web.archive.org/web/20130403182441/http://www.forteantimes.com/features/articles/155/the_eltanin_enigma.html |date=2013-04-03 }} [http://www.forteantimes.com/ Fortean Times]. (May 2004). Retrieved March 8, 2014.</ref><ref name="HeezenOthers1971a">Heezen, BC, and CD Hollister (1971) ''The Face of the Deep.'' Oxford University Press, New York. 659 pp. {{ISBN|0-19-501277-1}}</ref>
* [[Eolith]]s: [[Miocene]] knapped [[flint]] [[nodule (geology)|nodules]] mistaken in the 19th century for extremely primitive [[stone tool]]s, which helped back the authenticity of [[Piltdown Man]].
* [[Cydonia (Mars)#"Face on Mars"|Face on Mars]]: A [[pareidolia]] of a rock formation on [[Mars]] caused by the poor resolution of early orbital photography of the planet.<ref>{{cite book |last=Hoagland |first=Richard C. |title=The Monuments of Mars: A City on the Edge of Forever |publisher=[[North Atlantic Books|Frog, Ltd]] |year=1996 |isbn=978-1-883319-30-4 |edition=4th |location=Berkeley |page=5 |author-link=Richard C. Hoagland}}</ref>
* [[Klerksdorp sphere]]s: Actually pre-Cambrian [[concretion]]s.<ref name="Cairncross1988">Cairncross, B (1988) ''"Cosmic cannonballs" a rational explanation'': The South African Lapidary Magazine. v. 30, no. 1, pp. 4–6.</ref><ref name="Heinrich1997">Heinrich, PV (1997) ''Mystery spheres'': National Center for Science Education Reports. v. 17, no. 1, p. 34. (January/February 1997)</ref>
* [[Gunung Padang]] pyramid: [[Megalith|megalithic]] site built on the slopes of an ancient volcano which has been misidentified as a 20,000 year old pyramid.<ref name="smh">{{cite web |author=[[Bachelard, Michael]] |date=27 July 2013 |title=Digging for the truth at controversial megalithic site. Sydney Morning Herald, 27 July 2013 |url=http://www.smh.com.au/world/digging-for-the-truth-at-controversial-megalithic-site-20130726-2qphb.html |access-date=25 November 2022 |work=www.smh.com.au}}</ref>
* [[Paluxy River#Paluxy trackways|Paluxy River tracks]]: Identified as [[nephilim|giant humanoid]] footprints found alongside dinosaur tracks. Actually tracks of [[theropod]] dinosaurs, and 1930s forgeries.<ref name="Branch">[http://go.galegroup.com.lp.hscl.ufl.edu/ps/i.do?id=GALE%7CCX3452100824&v=2.1&u=gain40375&it=r&p=GVRL&sw=w&asid=3498d8e83aa78ad64ddae0ed8f2a43dd Branch, G. (2006). Paluxy Footprints. In H. J. Birx (Ed.), ''Encyclopedia of Anthropology'' (Vol. 4, p. 1818). Thousand Oaks, CA: SAGE Reference.]</ref>
* [[Yonaguni Monument]]: An unusual underwater rock formation near the southern Ryukyu Islands. Was considered a man-made [[monolith]] because of the even cracks.<ref>{{Cite news|url=https://www.spiegel.de/sptv/special/a-242689.html|title=Zeugnis einer untergegangenen Hochkultur Asiens oder einfach nur ein Felsklotz im Meer?: Das Yonaguni-Monument|last=Wichmann|first=Wolf|date=2003-03-29|work=Spiegel Online|access-date=2019-06-16|language=de}}</ref><ref name="disinf">{{Cite book|url=https://books.google.com/books?id=oPZsn1tWuosC&q=yonaguni%20ancient%20tombs&pg=PA129|title=Disinformation Guide to Ancient Aliens, Lost Civilizations, Astonishing Archaeology & Hidden History|last=Peet|first=Preston|date=2013|publisher=Red Wheel Weiser|isbn=978-1938875038|language=en}}</ref>
* [[Ararat anomaly]]: The Ararat anomaly is a structure appearing on photographs of the snowfields near the summit of [[Mount Ararat]], [[Turkey]], initially believed by some Christian believers to be the remains of [[Noah's Ark]]. Located on the northwest corner of the Western Plateau of Mount Ararat, approximately 15,500&nbsp;ft high, it was first filmed during a U.S. Air Force aerial reconnaissance mission in 1949. The [[Defense Intelligence Agency]] later indicated that the anomaly represents linear facades in the glacial ice, rather than an ancient structure.<ref>{{Cite web |date=2010-04-29 |title=Noah's Ark Found in Turkey? |url=http://news.nationalgeographic.com/news/2010/04/100428-noahs-ark-found-in-turkey-science-religion-culture/ |url-status=dead |archive-url=https://web.archive.org/web/20100429031956/http://news.nationalgeographic.com/news/2010/04/100428-noahs-ark-found-in-turkey-science-religion-culture/ |archive-date=2010-04-29 |access-date=2023-12-05}}</ref><ref>{{Cite web |last=Green |first=Lauren |date=2015-03-26 |title=Noah's Ark Hoax Claim Doesn't Deter Believers |url=https://www.foxnews.com/world/noahs-ark-hoax-claim-doesnt-deter-believers |access-date=2023-12-05 |website=Fox News |language=en-US}}</ref>