Chicago (Season 3 Episode 10 of 10): Evidence of a catastrophe that killed 300 people beneath Lake Michigan. Draining Chicago: What Lies Beneath airs on National Geographic Channel HD at 4:00 PM, Tuesday 7 May. Evidence of a catastrophe that killed 300 people beneath Lake Michigan
Secrets of Loch Ness (Season 2 Episode 11 of 15): Advanced scanning technology is used to explore the depths of Loch Ness. Draining Loch Ness: In Search of the Monster airs on National Geographic Channel HD at 11:00 PM, Saturday 27 April. Advanced scanning technology is used to explore the depths of Loch Ness
The Viking Seas (Season 3 Episode 3 of 10): Experts search for the battleship the Mars. Viking Seas: Drain the Oceans airs on National Geographic Channel HD at 3:00 PM, Thursday 25 April. Experts search for the battleship the Mars
Secrets of Loch Ness (Season 2 Episode 11 of 15): Advanced scanning technology is used to explore the depths of Loch Ness. Draining Loch Ness: In Search of the Monster airs on National Geographic Channel HD at 3:00 PM, Thursday 18 April. Advanced scanning technology is used to explore the depths of Loch Ness
Lost Nukes of the Cold War (Season 2 Episode 6 of 15): Experts head beneath the waves to reveal shocking secrets of the Cold War. Lost Nukes of the Cold War: Drain the Oceans airs on National Geographic Channel HD at 3:00 PM, Tuesday 2 April. Experts head beneath the waves to reveal shocking secrets of the Cold War
Lost Nukes of the Cold War (Season 2 Episode 6 of 15): Experts head beneath the waves to reveal shocking secrets of the Cold War. Lost Nukes of the Cold War: Drain the Oceans airs on National Geographic Channel HD at 9:00 PM, Thursday 29 February. Experts head beneath the waves to reveal shocking secrets of the Cold War
Secrets of Loch Ness (Season 2 Episode 11 of 15): Advanced scanning technology is used to explore the depths of Loch Ness. Draining Loch Ness: In Search of the Monster airs on National Geographic Channel HD at 8:00 PM, Thursday 8 February. Advanced scanning technology is used to explore the depths of Loch Ness
Secrets of Loch Ness (Season 2 Episode 11 of 15): Advanced scanning technology is used to explore the depths of Loch Ness. Draining Loch Ness: In Search of the Monster airs on National Geographic Channel HD at 10:00 PM, Thursday 25 January. Advanced scanning technology is used to explore the depths of Loch Ness
Secrets of Loch Ness (Season 2 Episode 11 of 15): Advanced scanning technology is used to explore the depths of Loch Ness. Draining Loch Ness: In Search of the Monster airs on National Geographic Channel HD at 4:00 PM, Tuesday 23 January. Advanced scanning technology is used to explore the depths of Loch Ness
Chicago (Season 3 Episode 10 of 10): Evidence of a catastrophe that killed 300 people beneath Lake Michigan. Draining Chicago: What Lies Beneath airs on National Geographic Channel HD at 4:00 PM, Thursday 21 December. Evidence of a catastrophe that killed 300 people beneath Lake Michigan