O Regresso

The sinking of the RMS Titanic remains one of the most enduring and mysterious tragedies of the 20th century. For decades, investigators and amateurs alike have floated theories for why it occurred and who was to blame for the extraordinary loss of life, but no one answer could fully explain what happened. Until now. To mark the 100th anniversary of the infamous disaster, Smithsonian Channel will premiere Titanic's Final Mystery. The two-hour special investigates a century of theories and uncovers astonishing new forensic evidence that proves the most likely theory for the case.

In 2001, Jimmy Wales published the first article on Wikipedia, a collaborative effort that began with a promise: to democratize the spreading of knowledge, monopolized by the elites for centuries. But is Wikipedia really a utopia come true?

Fascinating new translations and fresh research are transforming the myth of Atlantis from the realm of fantasy into an incredible reality. Travel across continents and centuries to unlock the secrets of Plato's final legacy - a true story of Ancient Greece, Africa, and climate change across deep time.

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.

Using archival footage, cabinet conversation recordings, and an interview of the 85-year-old Robert McNamara, The Fog of War depicts his life, from working as a WWII whiz-kid military officer, to being the Ford Motor Company's president, to managing the Vietnam War as defense secretary for presidents Kennedy and Johnson.

Ireland, June 1944. The crucial decision about the right time to start Operation Overlord on D-Day comes to depend on the readings taken by Maureen Flavin, a young girl who works at a post office, used as a weather station, in Blacksod, in County Mayo, the westernmost promontory of Europe, far from the many lands devastated by the iron storms of World War II.

Sir John Franklin set off from England in 1845 with two ships and 129 men to be the first to navigate the Northwest Passage, a new trade route over the top of the world, when Franklin’s ships vanished without a trace. Now, a team of explorers attempts to solve the mystery by retracing Franklin’s route in search of his long-lost tomb.

An examination of the intimate life of America's most consequential president, Abraham Lincoln. As told by preeminent Lincoln scholars and never before seen photographs and letters, Lincoln's romantic relationships with men is detailed. The lens is widened into the history of human sexual fluidity and focuses on the profound differences between sexual mores of the 19th century and those we hold today.

Recently discovered footage reveals the secret history of NASA's first landing on the moon, and using this brand-new evidence, former astronauts and experts challenge everything known about the Apollo missions.

As early as 1920, the journalists of the "Münchener Post" recognized the danger posed by Adolf Hitler. Consistently and boldly they wrote about National Socialism. The brave journalists and their newspaper are almost forgotten today. A single book has been published about them - in Brazil.