Underground Marvels
Historians, engineers, and experts take a look at the underground structures, systems, and phenomena that exist beneath our feet.
| Created By | ||
|---|---|---|
| Status | Returning Series | |
| Original Name | Underground Marvels | |
| First Air Date | October 17, 2019 | |
| Last Air Date | October 7, 2021 | |
| Seasons | 2 | |
| Episodes | 20 | |
| Episode Runtime | 45min | |
| Language | English | |
| Original Language | English | |
| Production Countries | United Kingdom, United States of America | |
| Production Companies | Phoenix TelevisionTCB Media Rights | |
| Networks | ScienceU&Yesterday | |