Josh travels across the United States to find the treasures featured in the cryptic 1982 book "The Secret"; Josh meets with members of the book's cult following, who each think they are on the verge of locating one of the 10 remaining treasures.
| Title | Expedition Unknown - Season 4 Episode 4 The Secret |
|---|---|
| Year | 2024 |
| Genre | Documentary, Reality |
| Country | United States of America |
| Studio | Travel Channel, DMAX |
| Cast | Josh Gates |
| Crew | |
| Alternative Titles | Expedice do neznáma, Výprava do neznáma |
| Keyword | treasure hunt, fish out of water |
| First Air Date | Jan 08, 2015 |
| Last Air date | Nov 20, 2024 |
| Season | 15 Season |
| Episode | 149 Episode |
| Runtime | 48:14 minutes |
| Quality | HD |
| IMDb: | 7.85/ 10 by 58.00 users |
| Popularity | 9.492 |
| Language | English |
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