Years of research and trial and error culminated in the invention of the first locomotive on rails. Not bad for a father-and-son experiment. That's what Murdoch and his son George achieved in 1797.

In part two of this series, "Once upon a Time... the Discoverers," Maestro talks about Cugnot, the inventor of the steam traction engine.

In the series "Once Upon a Time... the Discoverers," the Maestro lets off some steam. Some two thousand years ago, Heron invented the steam machine in Alexandria, but it took two millenia to perfect the invention and put it to practical use.

Cortés sets out to conquer Mexico with his four hundred men, sixteen horses, and seven cannons. He is joined later by native forces, the Totonac warriors.

Tension is building between the Aztecs and the Spaniards, not to mention within Cortés's own ranks. Despite this, the conquistador rallies his troops to conquer Mexico.

In this last video on Rambouillet, Daniel shows us around the beautiful and enchanting Espace Rambouillet nature preserve, a large forest filled with deer, birds of prey, and other free-roaming animals. It's a perfect spot for nature lovers and animal lovers alike!

Cortés exchanges gifts with the Aztec Emperor, Montezuma. An excellent diplomatic move on both sides!

Cortés is negotiating with the friendly natives of Mexico with the help of his interpreter, who had been shipwrecked in a previous expedition and speaks Mayan. They are offered a young woman slave, Malintzin, who speaks Mayan and Aztec.

In this third episode on Rambouillet, Daniel shows us an interesting "shell cottage," a railway museum, and the beautiful Church of Saint Lubin and Palais du Roi de Rome. Rambouillet is full of wonderful surprises!

November 18, 1518... Cortés, the ambitious adventurer, sets out to discover and conquer the unknown empire of Mexico at daybreak before Velasquez has a chance to stop him.

The Aztecs are apprehensive about the arrival of the white men. It is a bad omen. Spanish conqueror Cortés is appointed Captain and will be heading toward new territories.

Daniel takes us to the Rambouillet castle, which includes a very interesting building on its grounds: the Laiterie de la Reine, or Queen's Dairy, which was built for Marie Antoinette in accordance with the "pleasure dairy" trend of the eighteenth century.

The Maestro recounts the events just before Ferdinand Magellan's untimely death in 1521, only a year after he discovered the passage that would allow him to circumnavigate the globe.