Home / Series / What on Earth? / Aired Order / Season 11 / Episode 10

Ancient Rome's El Dorado

Aerial archaeologists capture bizarre, spider-like markings etched deep into the mountains of Northern Spain; experts investigate an ancient site that contained one of the largest and most important gold mining operations of the Roman Empire.

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  • Originally Aired August 24, 2022
  • Runtime 42 minutes
  • Network United States of America Science Channel
  • Notes Is a season finale
  • Created August 25, 2022 by
    Jäspër`
  • Modified May 8, 2023 by
    Buguicrack