Uploaded March 2023 | Updated September 2026, 2 weeks ago
The longest tunnel in ancient history. A highway suspended over a raging river. A secret harbor for the Roman navy. These are three of the most impressive Roman engineering projects that you've probably never heard of.
Check out my other YouTube channels, @scenicroutestothepast and @toldinstonefootnotes
Please consider supporting toldinstone on Patreon:
patreon.com/toldinstone
If you liked this video, you might also enjoy my book “Naked Statues, Fat Gladiators, and War Elephants: Frequently Asked Questions about the Ancient Greeks and Romans.”
amazon.com/Naked-Statues-Fat-Gladiators-Elephants/dp/1633887022
If you're so inclined, you can follow me elsewhere on the web:
reddit.com/r/AskHistorians/wiki/profiles/toldinstone
instagram.com/toldinstone
goodreads.com/author/show/20993845.Garrett_Ryan
Chapters:
0:00 Introduction
1:24 The Tunnel of Claudius
4:33 The Iron Gates Highway
7:16 The Secret Harbor at Lake Avernus
The longest tunnel in ancient history. A highway suspended over a raging river. A secret harbor for the Roman navy. These are three of the most impressive Roman engineering projects that you've probably never heard of.
Check out my other YouTube channels, @scenicroutestothepast and @toldinstonefootnotes
Please consider supporting toldinstone on Patreon:
patreon.com/toldinstone
If you liked this video, you might also enjoy my book “Naked Statues, Fat Gladiators, and War Elephants: Frequently Asked Questions about the Ancient Greeks and Romans.”
amazon.com/Naked-Statues-Fat-Gladiators-Elephants/dp/1633887022
If you're so inclined, you can follow me elsewhere on the web:
reddit.com/r/AskHistorians/wiki/profiles/toldinstone
instagram.com/toldinstone
goodreads.com/author/show/20993845.Garrett_Ryan
Chapters:
0:00 Introduction
1:24 The Tunnel of Claudius
4:33 The Iron Gates Highway
7:16 The Secret Harbor at Lake Avernus
