Underground Marvels (series)
- User score: 6
- Production country: United Kingdom, United States of America
- Production companies: Phoenix Television, TCB Media Rights
- Genre: Documentary
- Release date: 10/17/2019
- Release date of last episode: 10/7/2021
- Series status: Returning series
- Seasons count: 2 ( List of episodes )
- Episodes count: 20
- Run time: 45 min.
Series description
Historians, engineers, and experts take a look at the underground structures, systems, and phenomena that exist beneath our feet.
