History's Hidden Marvels
| Episode Number | 8 |
|---|---|
| Season | 2 |
| Aired | 2022-08-10 |
| Overview | This episode explores some of history's most ingenious yet lesser-known engineering solutions. Beginning with a recently uncovered 6300 year old Croatian wooden well that has been termed 'the world's oldest engineering marvel' through to the the Persian yakhchal. |
| Runtime | 51 minutes |
| Absolute Number | 0 |
| Finale Type |