Dossier in preparation
Cahokia urban-scale debate
Which original reports describe Cahokia urban-scale debate, and how have later accounts interpreted them?
Explore the recordPre-Contact Americas Mysteries
Pre-Contact Americas Mysteries
Evidence claims for advanced or unexpected cultures before European contact.
I follow the original record. Dates, names and documents come before reputation or official assurances. Read the files, compare the accounts and examine the connections for yourself.
Research & writing
All research topicsDossier in preparation
Amazonian terra-preta civilisation
Which original reports describe Amazonian terra-preta civilisation, and how have later accounts interpreted them?
Explore the recordDossier in preparation
Gran Chaco geoglyph builders
Which original reports describe Gran Chaco geoglyph builders, and how have later accounts interpreted them?
Explore the recordTopics in this collection
Pre-Contact Americas Mysteries
- Cahokia urban-scale debate
- Amazonian terra-preta civilisation
- Gran Chaco geoglyph builders
- Poverty Point engineering puzzle
- Blythe Intaglios purpose framework
- Mississippi copper-trade network scope
- Tiwanaku altitude agriculture mystery
- Norte Chico civilisation reassessment
Sources & further reading
All source recordsU.S. National Archives — Research Our Records
Official archival research portal
Europeana — Digital Cultural Heritage
Cultural heritage discovery collection
Collections include research leads. An individual source record describes its role and access status.