Cities of the Underworld

1

1. Underground Apocalypse

Jan 28, 2008 43m

2

2. Vietnam

Feb 4, 2008 43m

3

3. A-Bomb Underground

Feb 11, 2008 43m

4

4. Viking Underground

Feb 25, 2008 43m

5

5. Hitler's Last Secret

Mar 3, 2008 43m

6

6. Maya Underground

Mar 10, 2008 43m

7

7. Mob Underground

Mar 17, 2008 43m

8

8. Prophecies From Below

Mar 24, 2008 43m

9

9. New York: Secret Societies

Mar 31, 2008 43m

10

10. Washington D.C.: Seat of Power

Apr 14, 2008 43m

11

11. Stalin's Secret Lair

Apr 21, 2008 43m

12

12. Katrina Underground

Apr 28, 2008 43m

13

13. Secret Soviet Bases

May 5, 2008 43m