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Rome's Great Wall
The Roman Empire built Hadrian’s Wall to guard its frontiers; new discoveries reveal who the Romans were trying to keep out with this 72-mile-long megastructure.
6 - 1Enigma Of The Red Pyramid Sep. 18, 2026- 6 - 2Pompeii's Mysterious Twin Sep. 18, 2026
- 6 - 3Secrets Of Hadrian's Villa Sep. 18, 2026
- 6 - 4Lost World Of Sumerian Kings Sep. 18, 2026
- 6 - 5Rise Of Egypt's Sun Kings Sep. 18, 2026
- 6 - 6Nimrud: Secrets Revealed Sep. 18, 2026
- 6 - 7Rise Of Egypt's Sun Kings Sep. 18, 2026
- 6 - 8Lost Empire Of Palmyra Sep. 18, 2026
- 6 - 9Mystery Of Egypt's Zodiac Temple Sep. 18, 2026
- 6 - 10Lost Tomb Of Alexander The Great Sep. 18, 2026
- 6 - 11Sunken City Of Helike Sep. 18, 2026
- 6 - 12Rome's Great Wall Oct. 18, 2020