The story of the Trojan Horse is probably one of the most famous stories ever told: after ten years of bloody war, the Greek coalition decides to lift the siege and depart, but not before leaving at the gates a huge wooden horse, which the Trojans confidently lead into the city. A few hours later, the once invincible Troy goes up in flames. What exactly happened? Is this myth true or false?

Friedrich Engels and Karl Marx formed one of the most famous duos in world history. In contrast to Marx, however, Engels seems to have fallen into oblivion today. Unjustly so. Moving archive images, documentary footage and graphic novels lead us back to the time of Friedrich Engels, who shaped the Communist movement like no other.

A portrait of Pope Pius XII (1876-1958), head of the Catholic Church from 1939 until his death, who, during World War II, and while European Jews were being exterminated by the Nazis, was accused of keeping a disconcerting and shameful silence.

Oceanographers have been gripped by a new spirit of discovery and have undertaken the biggest population census of ocean species ever conducted - a "Census of Marine Life". The quest: to find out when and where it all began. Where did the water come from? How was life created in the oceans? And how did it evolve to the enormous diversity we see today? Join National Geographic as we travel more than 4 billion years into the past to uncover how oceans and marine life came to exist.

Hygienic habits are as old as the various human civilizations; but each era establishes its own customs: whether private or public, everywhere and at all times, methods of personal cleanliness have depended on cultural conventions, religious morals, political ideologies and economic interests; because the control of basic hygiene has also been and is one more tool in the infinite exercise of power over the masses.

Nowadays we associate Johannes Kepler with his famous laws of planetary motion. But the history of his discoveries is a drama of Shakespearian proportions - full of intrigue, passion, depravity and corruption.

He described his love of art as his greatest inclination from his youth: Johann Joachim Winckelmann as a representative and rediscoverer of Greek and Roman antiquity. He was the father of European art history and was the victim of a robbery-murder in 1768. The documentary tells of his life, his work and his early death.

On the 200th anniversary of Karl Marx's birth, the docu-drama paints a multifaceted portrait of the most influential German thinker of modern times. The world-famous actor Mario Adorf embodies the equally contradictory and contradictory world spirit, in the dichotomy of prophetic confidence and fear of failure. An exciting cinematic journey through his life and work.

They say it's over 2000 years old, and more than 4,000 miles long. But even today nobody really knows for sure. The Great Wall of China is one of the world's famous buildings but it is still the least known. British writer and historian William Lindesay has lived in China for twenty years. Exploring the Great Wall has become his lifetime obsession.

Germans colonized the land of Namibia, in southern Africa, during a brief period of time, from 1840 to the end of the World War I. The story of the so-called German South West Africa (1884-1915) is hideous; a hidden and silenced account of looting and genocide.

The Vietnam War was the longest conflict of the 20th century. It was the first time that the media brought a war into our living rooms. This had consequences: Its images are deeply engraved in our memories: the widespread dropping of napalm bombs, the naked girl fleeing screaming from a cloud of fire. This war came to an end on May 1, 1975.

Coffee is the second most important commodity in the world after oil. The drink has a long history and what's more, its effect seems to be stimulating in two senses.

Around 3,000 BC, the first territorial state in history was created with the unification of Upper and Lower Egypt. The empire on the Nile was to exist for 3,000 years. The current section focuses on religion, temple economy and the cult of the dead and examines the reigns of Akhenaten and Ramses II. The culture of Ancient Egypt is characterized by religion, temple economy and the cult of the dead. Two pharaohs play an important role in this context: Akhenaten and Ramses II. When Akhenaten ascended the throne around 1,350 BC, religious customs in Egypt had hardly changed for almost 2,000 years. The influential priesthood was organized hierarchically and the rituals were set out in fixed rituals. The temples are not only the spiritual but also the economic centers of the country.

Tuna are among the top predators in the oceans. But the hunter is also the hunted: many species are overfished. Can we use the riches of the oceans without destroying them?

On June 26, 1813, Austrian Foreign Minister Klemens von Metternich went to meet Napoleon Bonaparte at his headquarters in Dresden, in the Kingdom of Saxony. Although the French emperor still dominated Europe, the disastrous Russian campaign had sapped his military power. Could France continue to count on Austria's support? A nine-hour private meeting would decide the fate of Europe.

Everyone lies, even several times a day. Although this is considered immoral, it seems to be an ancient natural habit. Animals also tell lies for their own benefit. And not every lie is to be condemned. Some are considered a lubricant for daily coexistence. Scientists are trying to track down liars with lie detectors and thermal imaging cameras.