Queen Elizabeth II in Pakistan

National Geographic: Icons of Power - Empress of Ambition documents the life and reign of Russia's Catherine the Great, widely considered one of the most controversial rulers in the history of the world.

Drama documentary reconstructing the life and times of Catherine the Great of Russia.

His opponents accused him of being homosexual. The male favorites he gathered around him during his short life gave those malevolent enemies solid arguments to do so. He would not have failed if he had proved himself to be an energetic king. But Edward II of England (1284-1327) never was a king like Edward I Longshanks, his father, or Edward III, his son, were. And his end is shrouded in myth and mystery.

In anticipation of the most talked-about nuptials of the year, Savannah Guthrie and Hoda Kotb of NBC's "TODAY" take viewers to London to reveal exclusive insights on the wedding of Prince Harry and Meghan Markle.

This documentary charts Harry's journey through important turning points in his life - four other royal weddings and the death of his mother, Diana, Princess of Wales. Along the way it touches on the prince's active service as a soldier in Afghanistan and his international charity work.

An inside look into the lives of Meghan Markle and Prince Harry straight from experts, socialites and friends intimately connected with the House of Windsor.

When Queen Elizabeth's reign is threatened by ruthless familial betrayal and Spain's invading army, she and her shrewd adviser must act to safeguard the lives of her people.

The story of the ascension to the throne and the early reign of Queen Elizabeth the First, the endless attempts by her council to marry her off, the Catholic hatred of her and her romance with Lord Robert Dudley.

Paris, Kingdom of France, August 18, 1572. To avoid the outbreak of a religious war, the Catholic princess Marguerite de Valois, sister of the feeble King Charles IX, marries the Huguenot King Henry III of Navarre.

Years have passed since the Three Musketeers, Aramis, Athos and Porthos, have fought together with their friend, D'Artagnan. But with the tyrannical King Louis using his power to wreak havoc in the kingdom while his twin brother, Philippe, remains imprisoned, the Musketeers reunite to abduct Louis and replace him with Philippe.

In late 19th-century Sicily, the noble Uzeda family—whose lineage dates back to the ancient viceroys that ruled those lands—fights to preserve its waning power in the face of the newly unified Italian regime.

Ancient Korea, 17th century. While the paranoid King Lee Jo of Joseon, vassal of the Qing dynasty, feels surrounded by conspirators and rebels, a dark evil emerges from the bowels of a merchant ship and the exiled Prince Lee Cheung returns to the royal court, ignoring that he will have to lead the few capable of defeating the ambitious humans and the bloody monsters who threaten to destroy the kingdom.

The story of Louis XIV of France and his attempts to keep his identical twin brother Philippe imprisoned away from sight and knowledge of the public, and Philippe's rescue by the aging Musketeers, led by D'Artagnan.

A WWI English officer is inspired the night before a dangerous mission by a vision of Joan of Arc, whose story he relives.

A sumptuous and sensual tale of intrigue, romance and betrayal set against the backdrop of a defining moment in European history: two beautiful sisters, Anne and Mary Boleyn, driven by their family's blind ambition, compete for the love of the handsome and passionate King Henry VIII.

The Man in the Iron Mask

Athletic adaptation of Alexandre Dumas' classic adventure about the king's musketeers and their mission to protect France.

Tyrannical King Louis XIV learns that he has an identical twin brother, Philippe, who was raised from birth by his late father's trusted friend D'Artagnan and his faithful musketeers, Porthos, Athos and Aramis. After Philippe falls for the king's betrothed, Spanish Princess Maria Theresa, Louis imprisons him, forcing his brother to don an iron mask that will slowly suffocate him -- and it's up to D'Artagnan to rescue him.

Sophia Augusta's marriage to Peter III, the Emperor of Russia, is anything but the fairy-tale life that she had been promised. In a historical tale of political intrigue, sex and murder, she takes control of her life, her marriage, and her kingdom, becoming one of Russia's most celebrated and beloved monarchs.

Sir Walter Raleigh overcomes court intrigue to win favor with the Queen in order to get financing for a proposed voyage to the New World.