Season 4
Artwork
| # | Image | Title | Aired |
|---|---|---|---|
| 1 |  | Gettysburg | Sep 17, 2010 |
| 2 |  | Rolling Hills Sanitarium | Sep 24, 2010 |
| 3 |  | Return to Bobby Mackeys | Oct 1, 2010 |
| 4 |  | Waverly Hills Sanitarium | Oct 8, 2010 |
| 5 |  | Stanley Hotel | Oct 15, 2010 |
| 6 |  | Hill View Manor | Oct 22, 2010 |
| 7 |  | Vulture Mine | Oct 29, 2010 |
| 8 |  | USS Hornet | Nov 5, 2010 |
| 9 |  | La Palazza Mansion | Nov 12, 2010 |
| 10 |  | Fort Chaffee | Nov 19, 2010 |
| 11 |  | Amargosa Opera House | Nov 26, 2010 |
| 12 |  | Old Fort Erie | Dec 3, 2010 |
| 13 |  | Villisca Axe Murder House | Dec 10, 2010 |
| 14 |  | Kell's Irish Pub | Dec 17, 2010 |
| 15 |  | Pico House Hotel | Jan 7, 2011 |
| 16 |  | Goldfield | Jan 14, 2011 |
| 17 |  | Bonnie Springs Ranch | Jan 21, 2011 |
| 18 |  | Salem Witch House | Feb 18, 2011 |
| 19 |  | Jerome Grand Hotel | Feb 25, 2011 |
| 20 |  | Yorktown Memorial Hospital | Mar 18, 2011 |
| 21 |  | Madame Tussauds Wax Museum | Apr 8, 2011 |
| 22 |  | Sacramento Tunnels | Apr 15, 2011 |
| 23 |  | Hales Bar Marina and Dam | Apr 29, 2011 |
| 24 |  | Kentucky Slave House | May 13, 2011 |
| 25 |  | Tooele Hospital | May 27, 2011 |
| 26 |  | Loretta Lynn’s Plantation House | Jun 10, 2011 |