Ground Zero Supertower
Nova returns to Ground Zero to witness the final chapter in an epic story of engineering, innovation, and preserverance of the human spirit: the completion of One World Trade Center.
Mystery of Easter Island
Examining Easter Island, the remote island.
Great Cathedral Mystery
Examining a 15th-century dome in Florence, Italy.
Roman Catacomb Mystery
An investigation of a mass grave found in the catacombs.
Ghosts of Murdered Kings
The discovery of a prehistoric torso in a dried-up bog.
Learn why Typhoon Haiyan and its aftermath were so highly destructive to the Philippines.
3/13/14 2:00 AM
3/13/14 5:00 AM
3/14/14 4:00 AM
3/16/14 1:00 AM
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Season 38 begins with an examination of how the great medieval cathedrals were built. The architectural marvels, made from stone and by hand, often required the labor of entire towns, and some took 100 years to finish. Many, however, now may collapse.
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