Uploaded July 2024 | Updated September 2026, 2 weeks ago

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This video explores another three forgotten Roman megaprojects: the colossal gold mines at Las Médulas, Spain; the Anastasian Wall, Constantinople's outer defense; and Rome's artificial harbor at Portus.
You might also be interested in my video on the longest Roman aqueduct: youtu.be/-t7vBwsDkwM?si=55iUXnk5UUjUfNLG

The first Roman megraprojects video: youtu.be/SHDnfz8EKSs?si=JT71ktC0K5lG2QPk

My new book, "Insane Emperors, Sunken Cities, and Earthquake Machines" is now available! Check it out here: amazon.com/Insane-Emperors-Sunken-Earthquake-Machines/dp/1633888932

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Chapters:
0:00 Las Médulas
3:13 The Anastasian Wall
5:24 Portus