Teams of experts from around the globe come together to solve some of history's greatest mysteries. Jake Norton finds who got to the top of Everest first, Whitny Braun determines the authenticity of a photo of Abraham Lincoln on his deathbed and more!
| Title | Air Date | Duration | ||
|---|---|---|---|---|
| Season 1 | Episode 1 | Gros Morne | 2015-11-29 | 46 min |
| Season 1 | Episode 2 | Chile | 2015-11-29 | 46 min |
| Season 1 | Episode 3 | Bolivia | 2015-12-06 | 46 min |
| Season 1 | Episode 4 | Utah | 2015-11-02 | 46 min |
| Season 1 | Episode 5 | Canyon Country | 2015-11-02 | 46 min |
| Season 1 | Episode 6 | Bahamas | 2015-12-13 | 46 min |
| Season 1 | Episode 7 | Lake Superior | 2015-12-20 | 46 min |
| Season 1 | Episode 8 | Niagara Escarpment | 2015-12-27 | 46 min |
| Season 2 | Episode 1 | Iceland: Land of Fire | 2017-07-06 | 47 min |
| Season 2 | Episode 2 | Iceland: Land of Ice | 2017-07-06 | 48 min |
| Season 2 | Episode 3 | High Tide at the Bay of Fundy | 2017-07-13 | 47 min |
| Season 2 | Episode 4 | Journey to Wales | 2017-07-20 | 47 min |
| Season 2 | Episode 5 | Ireland: Clash of the Coasts | 2017-07-27 | 47 min |
| Season 2 | Episode 6 | The Canadian Rainforest | 2017-07-30 | 47 min |
| Season 3 | Episode 1 | Lost World of the Yucatan | 2018-07-20 | 48 min |
| Season 3 | Episode 2 | Wild Heart of Sierra Gorda | 2018-07-27 | 48 min |
| Season 3 | Episode 3 | Costa Rica: Sky to Sea | 2020-04-20 | 48 min |
