7.58 avg 6 episodes 7.0 → 7.6 43 min avg
| # | Title | Rating | Votes |
|---|---|---|---|
| 1 | Lake Delores Water Park | 7.0 | 38 |
| 2 | Abundant Life Building | 7.5 | 32 |
| 3 | Remains of the Super Guppy | 7.8 | 34 |
| 4 | Black Hills Ordinance Depot | 7.6 | 28 |
| 5 | Rebirth of Amboy | 8.0 | 26 |
| 6 | Secrets of the SS United States | 7.6 | 24 |
7.23 avg 6 episodes 7.1 → 8.0 43 min avg
| # | Title | Rating | Votes |
|---|---|---|---|
| 1 | Charity Hospital: The Big Easy's Fight for Survival | 7.1 | 21 |
| 2 | Picher: Oklahoma's Toxic Ghost Town | 7.1 | 19 |
| 3 | Pullman, Chicago: The Town That Paralyzed the Nation | 7.3 | 19 |
| 4 | Orangeburg: America's Hidden Massacre | 6.8 | 20 |
| 5 | Butler Island Plantation: The South's Dark Secret | 7.1 | 16 |
| 6 | The Wright Brothers: Cleared for Takeoff | 8.0 | 15 |
7.69 avg 7 episodes 7.6 → 7.9 43 min avg
| # | Title | Rating | Votes |
|---|---|---|---|
| 1 | The Cult of Antelope, Oregon | 7.6 | 16 |
| 2 | The Secrets and Troubles of Cahawba | 7.8 | 15 |
| 3 | The Forgotten Soldiers of Camp Naco | 7.5 | 16 |
| 4 | Banished from Bisbee | 7.6 | 15 |
| 5 | Secrets of the Catskill Game Farm | 7.5 | 15 |
| 6 | Ghosts of Montana State Prison | 7.9 | 13 |
| 7 | The Aviatrix's Sanctuary | 7.9 | 13 |
7.81 avg 8 episodes 7.9 → 7.6 41 min avg
| # | Title | Rating | Votes |
|---|---|---|---|
| 1 | The Cult Hotel | 7.9 | 9 |
| 2 | Hunting for the Ship of Gold | 7.9 | 8 |
| 3 | America's Gun Factory | 7.8 | 9 |
| 4 | Nazi Secrets in the Empire State | 7.8 | 9 |
| 5 | The Vermont Doomsday Gun | 7.7 | 7 |
| 6 | Idaho's Atomic Ghost Town | 7.6 | 6 |
| 7 | The Lair of the Mothman | 8.2 | 7 |
| 8 | Secrets of the Olympia Brewery | 7.6 | 6 |
