Video argues Cyclopean walls also served as earthworks and terraces

November 01, 2025

ItalyArchitecture

Source: The Lost Engineering of Cyclopean Walls - In Italy by One-eyed giant building walls

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Cyclopean walls are strongly associated with fortifications, although polygonal masonry was also used for retaining walls, terraces and harbour works. The video argues that earthworks were its primary purpose, but archaeology does not treat that as a settled fact.

Pyrgi, the ancient port of Caere, preserves notable examples of polygonal masonry. Strabo's Pelasgian tradition reflects ancient Greek ideas about Italy's first inhabitants, not proof of the city's actual founders.

Orbetello's La Peschiera was developed in the 19th century as a sheltered harbour, not built in antiquity from fitted stones to prevent subsidence. Alatri's Pyramid of Time is a modern sundial and calendar, while the story that Chronos founded the city is modern mythology.

Key facts

Cyclopean masonry is best known from ancient defensive walls, while polygonal masonry also served in retaining walls, terraces and other earthworks; archaeologists do not assign both a single primary purpose.
Orbetello's La Peschiera was developed in the 19th century as a sheltered harbour island; it was not an ancient construction of large fitted polygonal stones intended to prevent subsidence.
Pyrgi, the ancient Etruscan port of Caere, preserves notable polygonal masonry; “the most impressive in Italy” is a subjective description, not an archaeological ranking.
Ancient Greek tradition treated the Pelasgians as early inhabitants of Italy. Strabo's account is literary testimony, not archaeological proof of Pyrgi's founders or Cyclopean builders.
Alatri's modern Pyramid of Time, designed by architect Paolo Sottili and completed in 2015, is a monumental sundial and calendar, not an ancient masonry clock for measuring years and millennia.
The claim that Chronos founded Alatri belongs to modern local mythology; no surviving ancient source securely identifies him as the city's founder.

Sources

Cyclopean Walls | Mycenae Greeecee-mycenae.org

These are giant walls with which Mycenaeans fortify their citadels. Because the boulders used for their construction have huge dimensions.

Cyclopean masonry - Wikipediaen.wikipedia.org

Cyclopean masonry is a type of stonework found in Mycenaean architecture, built with massive limestone boulders, roughly fitted together with minimal clearance

Etruscan Walls of Orbetellobrunelleschi.imss.fi.it

The walls are one of the best preserved examples of a polygonal construction, an ancient architectural technique that contemplated the use of large blocks of ...

Cyclopean Walls of Mycenae: Ancient Engineering Marveluniquegreektours.com

The Cyclopean Walls demonstrate sophisticated understanding of defensive architecture and structural engineering. The builders incorporated ...

Cyclopean masonry | Ancient, Stone, Architecture - Britannicabritannica.com

Cyclopean masonry, wall constructed without mortar, using enormous blocks of stone. This technique was employed in fortifications.

ARTIFICIAL ISLANDSoceanbricks.com

The Ocean Bricks System provides a streamlined method for the rapid construction of artificial islands.

Archeology of Rose Islandspacecaviar.net

Rosa copyrighted the invention under the name “System to build artificial islands—in steel and concrete—both for civil and industrial purposes” (#850.987).

Artificial islanden.wikipedia.org

An artificial island or man-made island is an island that has been constructed by humans rather than formed through natural processes.

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