An atlas of Earth’s mysterious places — megaliths, pyramids, lost and sunken cities — with the evidence shown plainly: what is verified, what is contested, and what is still unknown.

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Sources & further reading

Every claim in the atlas points somewhere. This is where those trails lead: excavation reports and journal papers, the books that defined a site, plus news, films and podcasts sent in by members and checked before they appear.

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All11,126 Websites10,037 Articles562 Journal articles225 Reports192 Papers90 Books13 Theses5 Documentaries2

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11,126 sources

Websitegotlandsmuseum.se

Stavgard Ringfort Burs Gotland — RAGU 57.283,18.467 Quadrangular 180×150 m

RAGU Gotland · 2024 · Gotlands Museum

Stavgard

From the atlas bibliography · Published 2024Open source

Websitelatvijas-pilskalni.lv

Sēlpils — Daugava 56°18′00″N 25°36′36″E Selian Selburg

Latvian Hillforts · 2024 · Latvia

56.30N 25.61E Selonia forte

Sēlpils

From the atlas bibliography · Published 2024Open source

Websitelatitude.to

Torsburgen 57.4075,18.7192 Kräklingbo — Latitude.to Verification

Latitude.to · 2024 · Latitude.to

57.4075N 18.7192 verification

Torsburgen

From the atlas bibliography · Published 2024Open source

Websiteen.wikipedia.org

Torsburgen — Wikipedia 57°24′N 18°44′E 2 km rampart 120 ha Gotland

Wikipedia Contributors · 2024 · Wikimedia

57.4075N 18.7192 2 km rampart

Torsburgen

From the atlas bibliography · Published 2024Open source

Websiteen.wikipedia.org

Visby — Wikipedia 57°38′05″N 18°17′57″E Hanseatic wall 3.4 km

Wikipedia Contributors · 2024 · Wikimedia

Visby Walls

From the atlas bibliography · Published 2024Open source

Websitelatvijas-pilskalni.lv

Ķivutkalns Hillfort Riga — Daugava 56°54′00″N 24°10′12″E Liv 10th–12th c

Latvian Hillforts · 2024 · Latvia

56.90N 24.17E Liv pre-Riga

Ķivutkalns

From the atlas bibliography · Published 2024Open source

Websitewhc.unesco.org

Archaeological Border Complex Hedeby and Danevirke UNESCO 1553 2018

UNESCO · 2018 · UNESCO

54.47N 9.38E Hedeby–Danevirke

Danevirke

From the atlas bibliography · Published 2018Open source

Websitewhc.unesco.org

Hanseatic Town of Visby UNESCO 731 — Ringmuren 3.4 km 57.63472N

UNESCO · 1995 · UNESCO

57.63472N 18.29917E 3.4 km walls

Visby Walls

From the atlas bibliography · Published 1995Open source

Articledoi.org

The mega-structure at Stăuceni-‘Holm’ and debate about governing Cucuteni-Trypillia settlements

René Ohlrau, Johannes Müller · 2025 · PLOS ONE

Dobrovody 26×46 m 1196 m² Tomashivka B2

Dobrovody

From the atlas bibliography · Published 2025Open source

Websitevisitaizkraukle.lv

Aizkraukle Castle Mound — visitaizkraukle.lv Augstie or Kraukļu Hills 40 m above Daugava

VisitAizkraukle · 2024 · Aizkraukle Municipality

82 km from Riga 40 m height verified

Aizkraukle

From the atlas bibliography · Published 2024Open source

Websitearoundus.com

Aizkraukle Castle — AroundUs 56.61444,25.15333 Inception 1213

AroundUs · 2024 · AroundUs

Aizkraukle

From the atlas bibliography · Published 2024Open source

Websiteen.wikipedia.org

Aizkraukle — Wikipedia 56°36′15″N 25°15′14″E

Wikipedia Contributors · 2024 · Wikimedia

Aizkraukle (German: Ascheraden) is a town and the administrative centre of Aizkraukle Municipality in Vidzeme, Latvia. Most of Aizkraukle is situated on the right bank of the Daugava River.

Aizkraukle

From the atlas bibliography · Published 2024Open source

Websiteen.wikipedia.org

Apuolė Hillfort — Wikipedia Curonian 853

Wikipedia Contributors · 2024 · Wikimedia

The Apuolė hillfort (Lithuanian: Apuolės piliakalnis) is a hillfort in Lithuania located by Apuolė, a historic village in Skuodas district municipality.

Apuolė

From the atlas bibliography · Published 2024Open source

Websitebaltukelias.lt

Baltukelias Curonians — Apuole GPS Lat 56.24647 Lon 21.67808

Baltukelias · 2024 · Baltukelias

Apuolė

From the atlas bibliography · Published 2024Open source

Websiteen.wikipedia.org

Birka — Wikipedia 59°20′10″N 17°32′43″E UNESCO 555 Björkö

Wikipedia Contributors · 2024 · Wikimedia

Birka (Birca in medieval sources), on the island of Björkö (lit. "Birch Island") in present-day Sweden, was an important Viking Age trading center which handled goods from Scandinavia as well as many…

Birka

From the atlas bibliography · Published 2024Open source

Websiteen.wikipedia.org

Bojná village 48°35′N 18°04′E Valy Topoľčany — Wikipedia

Wikipedia Contributors · 2024 · Wikimedia

Bojná (Hungarian: Nyitrabajna) is a municipality in the Topoľčany District of the Nitra Region, Slovakia. The village has a population of 2013 people.