Secrets of the Railways (2019)
| First Air Date: | 2019, June 18 |
| Last Air Date: | 2019, July 23 |
| Status: | Returning Series |
| Seasons: | 1 |
| Episodes: | 6 |
| Episode Runtime: | 45 min |
| Countries: | United Kingdom |
Overview:
These are the Secrets of the Railways, railroads constructed during turbulent periods and associated with mankind's ugliest deeds.