4 videodiscs (707 minutes) :sound, colour ;4 3/4 inches
Title from container.
Disc 1.Secrets of D-Day --Secrets of New York City --Killer U-Boats --Buried secrets of the gold rush.
Disc 2.Secrets of the civil war --Lost nukes of the Cold War --Secrets of the Spanish Armada --Pacific War megawrecks.
Disc 3.Thai cave rescue --London's secret history --Secrets of Loch Ness --Hitler's killer warships.
Disc 4.Lost giants --Pacific shockwave --Rise of the Roman Empire.
This dives deep into the unknown; a truly epic, original series that takes underwater adventure and earth science illustration into a whole new era. Ambitious exploration, advances in scientific research, and innovative technology mean Earth Science and History step forward to expose hidden evidence of the most amazing undersea mysteries, as never seen before.
E.
DVD ; widescreen presentation ; Dolby Digital 5.1.
For private home use only.
In English.
Closed-captioned for the hearing impaired.
1.Ocean bottom--Exploration.2.Oceanography.3.Shipwrecks.4.Submarine topography.5.Treasure troves.6.Underwater archaeology.7.Underwater exploration.Dynamic Details