Laurent Portes

Featuring the parallel stories of a supersize building project and a jaw-dropping archaeological adventure, Rome Underground takes viewers on an immersive journey deep under the Eternal City — revealing how the construction of a 26-kilometer subway line through Rome has literally unearthed some of the most important discoveries of the modern age.

The film follows an expedition into Ivohiboro — a small, previously unexplored tropical forest in Southeast Madagascar rich with biodiversity.

The Titanic is under a new threat. Resting at over 12,500 feet below sea level and 380 nautical miles off the coast of Newfoundland, the most famous shipwreck in the world is being consumed by a colony of iron-eating bacteria. This slow and irreversible decay, according to the most concerned experts, will sweep away all the secrets of the mythic liner within a few decades. This documentary details the underwater odyssey of the greatest Titanic expeditions and the evolution of the most scrutinized shipwreck in the world. From the epic discovery of the wreck by a French-American team in 1985 to the exploratory missions led by James Cameron, and to the treasure hunts that brought back over 5,000 vestiges–experience the unequaled thrill of these extreme dives through the eyes of the explorers who have attempted to unlock Titanic’s secrets.

In the late 5th century, the fate of the Roman Empire, considered one of the world’s mightiest forces, hung in the balance as they faced a terrifying enemy – Attila. As new archeological evidence in Kazakhstan is uncovered for the first time, scientists may perhaps unearth the greatest discovery of all – Attila’s lost tomb.

Thundering across the sky on elegant white wings, the Concorde was an instant legend. But behind the glamour of jet setting at Mach 2 were stunning scientific innovations and political intrigue. Fifteen years after Concorde's final flight, this documentary takes you inside the historic international race to develop the first supersonic airliner. Hear stories from those inside the choreographed effort to design and build Concorde in two countries at once - and the crew members who flew her.