| RATING | - |
|---|---|
| GENRES | Documentary |
| YEAR | 2020s / 2022 |
| SEASONS | 1 |
|---|---|
| LANGUAGE | English |
| COUNTRY | United States |
| Archaeologists and historians use cutting-edge technology to investigate and explore some of the biggest mysteries surrounding the Underground Railroad, a secret network that helped enslaved African Americans escape to freedom. |
