Ankara - Heart of Turkey

The world's leading scientists and cinematographers relive 5 extraordinary shark feeding events. From being surrounded at night by 700 grey reek sharks, a 300-strong gathering of blacktip, dusky and bronze sharks feeding on thousands of bait fish, to the spectacular sight of more than 200 blue sharks feeding on the carcass of a seven ton whale; the Great Shark Chow Down is an epic celebration of sharks from around the world.

A wildlife filmmaker tries to keep up with a Cheetah mom determined to keep her cubs alive.

For the 20th anniversary of "Titanic," James Cameron reopens the file on the disaster.

The remarkable story of Brazilian racing driver Ayrton Senna, charting his physical and spiritual achievements on the track and off, his quest for perfection, and the mythical status he has since attained, is the subject of Senna, a documentary feature that spans the racing legend's years as an F1 driver, from his opening season in 1984 to his untimely death a decade later.

Drain Alcatraz uses cutting edge visual effects to 'drain' the waters around the notorious island of Alcatraz. With the waters drained away the secrets of Alcatraz are revealed, including exactly why the island's infamous prison was so inescapable.

Through exclusive interviews and archival footage, this documentary traces an intimate portrait of seven-time Formula 1 champion Michael Schumacher.

Explore the ruins of Port Royal, once a flourishing pirate city, known for extravagance, women and liquor. The city which went by the sobriquet "wickedest city on earth", lies in shambles deep below the waters of Jamaica's Kingston Harbor after a devastating tsunami struck it on June 7, 1692

Infamous disappearances of ships and aircrafts, stories of lives lost — they’re all part of the legend of the 500,000-square-mile expanse of the Atlantic Ocean known as the Bermuda Triangle. In this one-hour special, National Geographic Channel explores the area’s ominous reputation by draining the water from it to see what exactly lies below the surface of the mythical triangle. With the aid of data from sophisticated sonar surveys, see what the ocean floor looks like below the Bermuda Triangle. Witness what strange geological features will be revealed and whether they will shed light on the mysterious occurrences that have been documented within the boundaries of this area of ocean.

The multi-party democratic regime that we take for granted in Turkey today is actually the product of 23 years of struggle and search. From the establishment of the Republic until 1946, three attempts were made to transition from a single party to a multi-party. The first of these was in 1924. Progressive Republican Party came up against the Republican People's Party that ruled the country. However, this period, when a new republic was built in pain, did not allow an oppositional voice to survive. The Progressive Party was closed after six months. Some of the rulers were imprisoned. Some of them were sentenced on death rows in the case of the assassination of Atatürk.The second attempt was made six months later, in 1930, with the Free Party. But the Free Party survived only 97 days.Finally, after another 16 years, the Democrat Party came in 1946 and the one-party regime became history for Turkey, never to return.

Two teams of experts go to extraordinary lengths to take shark science into the wild as they investigate two of the most iconic shark superpowers - speed and bite force.