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The largest structure ever built was not made by humans, but by incredibly tiny organisms known as coral polyps. Over the course of tens of thousands of years, these small organisms have put together a collection of nearly 3,000 reefs, known as the Great Barrier Reef, which form a collective stretching across 130,000 square miles. Scientists have counted about 1,500 different fish species that use the reef, and it's estimated that 1.5 million birds use the site.

The most seminal event of the last millennium might also be its most controversial. As schoolchildren have been taught for over 500 years, "In 1492 Columbus sailed the ocean blue." In October of that year, the Italian Christopher Columbus immortalized himself by landing in the New World and beginning the process of European settlement in the Americas for Spain, bringing the Age of Exploration to a new hemisphere with him.

Marco Polo (1254-1324) is an instantly recognizable name, and he is known for his travels, but it's safe to say that his influence and importance has been greatly overlooked in the nearly 700 years since he died. Born in Venice, Marco Polo was in a fortuitous position to participate in trade. He followed in the footsteps of his own family, setting off for Asia with his well-traveled father and uncle. They would not return to Venice for 24 years. When they came back, they had allegedly traveled about 15,000 miles.

Ferdinand Magellan was unquestionably one of the more remarkable figures of the Age of Exploration, and given his fateful expedition, he has the era's most unique legacy. Today he is remembered as the first man to circumnavigate the globe, despite the fact he died thousands of miles away from Spain in the Philippines. It is also commonly overlooked that among the famous and historic expeditions in the early 16th century, Magellan's was by far the most dangerous, unique, and adventurous.

In 1271 a young Italian merchant named Marco Polo embarked on a groundbreaking expedition from Venice, through the Middle East and Central Asia to China. His extraordinary reports of his experiences introduced medieval Europe to an exotic new world of emperors and concubines, amazing cities, huge armies, unusual spices and cuisine, and imperial riches. Marco Polo also revealed the wonders of Xanadu, the summer capital of Mongol emperor Kublai Khan.

Far out in the south-eastern part of the Pacific Ocean lies one of the world's most remote islands. Located over 2,000 miles away from Chile and South America, the nearest continent, and over 1,300 miles away from its nearest inhabited neighbor, Pitcairn Island, Easter Island is a solitary mass of land alone at the southeastern-most point of the Polynesian Triangle.

In 1927, Today, millions of people fly, and everyone who does views the ground thousands of feet below. But in 1927, air traffic was a relatively new phenomenon, especially in the wilds of southern Peru, and when the first planes passed over the sprawling expanse of the Nazca Desert, passengers looking out their windows saw an incredible sight that they could hardly believe.

Although many denied it, a giant ocean liner was dying. The superstitious nodded their heads, knowing her fate had already been sealed. The freezing Atlantic crept up to the forecastle head as the massive vessel, with all her lights aglow, slowly, almost imperceptibly, sank at the bow.

The exciting narrative begins in 1822, when Jedediah Smith ascended the Missouri River in the first fur-trading expedition of William H. Ashley and Andrew Henry, and ends in 1831, when he was killed by Comanche Indians on the Cimarron River.

Pocas empresas de la humanidad tan llamativas, arriesgadas y decisivas para el conocimiento del mundo. A través de un audio imperdible, repase junto a nosotros la historia de la conquista de las agrestes, peligrosas y gélidas del Ártico, y la carrera por ser el primer hombre en llegar a donde nadie jamás pudo antes: El polo Norte.

He fought and beheaded three Turkish adversaries in duels. He was sold into slavery and then murdered his master to escape. He was captured by pirates--twice--and marched to the gallows to be hanged, only to be reprieved seconds before the noose dropped over his head. And all this happened before he was thirty years old. This is Captain John Smith's life.

This short history audiobook features the story of Ernest Shackleton. He was among the last of a group of intrepid men from the Golden Age of Discovery in the Victorian era. He sought honor for England and himself in embarking on a dangerous journey to lead a team of men to cross the Antarctic continent.

Everybody imagines the world's most interesting man to be a fictional, gray-haired lothario who drinks Mexican beer and boasts of his legendary exploits. But what if a man like this really lived? It turns out he did, and there were two of them--both Victorian explorers.

The goal of this article is to change you into a well-equipped and fully stocked jack of all trades who is good with his hands and has specific skill sets that would be essential in survival situations. These skills include carpentry, steelworks, masonry, basic survival, hand to hand combat, practical shooting, and hunting skills among others. You might not have all the above mentioned skills sets. It will not be realistic to make you believe that you can be an expert in these skills in 14 days.

The Great Polar Fraud explores the history of the three men who claimed the pole, their claims, and the subsequent doubts of those claims, effectively rewriting the history of polar exploration and putting Amundsen center stage as the rightful conqueror of both poles.

In The Normans, Lars Brownworth follows their story, from the first shock of a Viking raid on an Irish monastery to the exile of the last Norman Prince of Antioch. In the process, he brings to vivid life the Norman tapestry's rich cast of characters: figures like Rollo the Walker, William Iron-Arm, Tancred the Monkey King, and Robert Guiscard. The Normans presents a fascinating glimpse of a time when a group of restless adventurers had the world at their fingertips.

Get up close and personal with science as Andrew Kessler narrates his hilarious journey inside NASA’s Phoenix Mars mission - a historic enterprise manned by a motley crew of rocket scientists. The Phoenix Mars mission was the first man-made probe ever sent to the Martian arctic.

In the gold rush era of Virginia City, Montana, crime was afoot and justice shaky. Lawlessness ran amok in the form of gamblers, saloonkeepers, miners, dance hall girls, and road agents - outlaws who ambushed travelers on the road for a chance to steal precious gold. Of all the road agents, Henry Plummer was their king and elected sheriff. Plummer’s notorious road-agent band terrorized the highways until a group of ordinary citizens resolved to take the responsibility of social governance into their hands.

El hombre tiende siempre a inventar utopías y a perseguir quimeras, ya desde la antigüedad territorios como la Atlántida o las Islas Afortunadas, habían sido visitadas por viajeros que traían descripciones de animales increíbles y tesoros infinitos, otro tanto pasaba con regiones como la India de la que se contaban también numerosas leyendas fantásticas que fueron confirmadas, en algunos casos, por hombres que estuvieron allí, las tropas de Alejandro Magno por ejemplo.

La historia que se esconde detrás de una de las mejores novelas de aventuras de todos los tiempos. En 1875, Henry Rider Haggard escribe Las minas del rey Salomón, probablemente una de las mejores novelas de aventuras de todos los tiempos. Muchos intuyen pero pocos conocen el correlato histórico que se oculta detrás de esta novela: la lucha entre colonos ingleses y holandeses contra las tribus africanas por el control de los recursos naturales y de los territorios.