Learn about the mystery of the Dropa Stones with iMinds insightful audio knowledge series. The Dropa Stones are supposedly a collection of circular stones found in a cave in Tibet in 1938. They were discovered by Chinese archaeologist Chi Pu Tei. They purportedly tell of aliens coming to earth in 10,000 BC. No claims have been verified, and so the Dropa Stones are part of a highly elusive mystery.

Hidden for centuries in the vast Peruvian jungle lies the ancient city of Machu Picchu. It is one of the finest examples of Incan architecture on the continent, preserved and unplundered by the Spanish when they invaded in the sixteenth century. It eluded the Spanish and although it has long been rediscovered, its essence is still shrouded in mystery.

Learn about the Seven Wonders of the World with iMinds insightful audio knowledge series. Twenty-five hundred years ago, people began to talk about the wondrous structures they had seen in their travels around the Mediterranean. In 222 B.C., Philo of Byzantium wrote an essay called "On the Seven Wonders".

Erich von Däniken's Chariots of the Gods is a work of monumental importance---the first book to introduce the shocking theory that ancient Earth was visited by aliens. This world-famous best seller has withstood the test of time, inspiring countless books and films, including the author's own popular sequel, The Eye of the Sphinx.

Traditionally, Americans learned in school that the ancestors of the people who inhabited the Western Hemisphere at the time of Columbus' landing had crossed the Bering Strait 12,000 years ago; existed mainly in small nomadic bands; and lived so lightly on the land that the Americas were, for all practical purposes, still a vast wilderness. But as Charles C. Mann now makes clear, archaeologists and anthropologists have spent the last 30 years proving these and many other long-held assumptions wrong.

From Graham Hancock, best-selling author of Fingerprints of the Gods, comes a mesmerizing book that takes us on a captivating underwater voyage to find the ruins of a lost civilization that's been hidden for thousands of years beneath the world's oceans. While Graham Hancock is no stranger to stirring up heated controversy among scientific experts, his books and television documentaries have intrigued millions of people around the world and influenced many to rethink their views about the origins of human civilization.

The fate of the Lost Ark of the Covenant is one of the great historical mysteries of all time. The Bible contains hundreds of references to the Ark's power, but the Ark itself mysteriously disappears from recorded history sometime after the building of the Temple of Solomon. After 10 years of searching through the dusty archives of Europe and the Middle East, Graham Hancock has succeeded where scores of others have failed. This intrepid journalist has tracked down the true story behind the myths and legends - revealing where the Ark is today, how it got there, and why it remains hidden.

Best-selling author and legendary conspiracy researcher Jim Marrs, who has investigated the recent financial crisis, the JFK assassination, and the national socialist takeover of America, now takes on his biggest subject: the history of mankind. Offering mind-blowing information that will radically alter the way we think about the world and our place in it, Marrs goes beyond the revelations of his classic Alien Agenda, interweaving science and authentic archaeological finds with provocative speculation to show how human civilization may have originated with nonhumans who visited earth eons ago.

The product of 30 years of intensive research, The 12th Planet is the first book in Zecharia Sitchin's prophetic Earth Chronicles series - a revolutionary body of work that offers indisputable documentary proof of humanity's extraterrestrial forefathers. Travelers from the stars, they arrived eons ago, and planted the genetic seed that would ultimately blossom into a remarkable species...called Man.

WASPs finally get their due in this stimulating history by one of the world's leading geneticists. Saxons, Vikings, and Celts is the most illuminating book yet to be written about the genetic history of Britain and Ireland. Through a systematic, ten-year DNA survey of more than 10,000 volunteers, Bryan Sykes has traced the true genetic makeup of British Islanders and their descendants.

Popular Lost Cities author David Hatcher Childress takes us into the amazing world of ancient technology, from computers in antiquity to the flying machines of the gods. Childress looks at the technology that was allegedly used in Atlantis and the theory that the Great Pyramid of Egypt was originally a gigantic power station. He examines tales of ancient flight and the technology that it involved; how the ancients used electricity; megalithic building techniques; the use of crystal lenses and the fire from the gods; and more.

Legendary UFO expert Erich von Daniken stirs up another controversy with an imaginative supposition: What if the myths of ancient Greece were attempts to describe events that really happened? What if ancient peoples were visited, not by imaginary gods and goddesses, but by extraterrestrial beings who arrived on earth thousands of years ago? The author's research into both ancient mythology and current archaeological discoveries leads him to some explosive hypotheses.

Professor Timothy R. Pauketat illuminates the riveting discovery of the largest pre-Columbian city on U.S. soil. Once a flourishing metropolis of 20,000 people in 1050, Cahokia had rotted away by 1400. Its earthen mounds near modern-day St. Louis reveal “woodhenges” and evidence of large-scale human sacrifice.

"Something here really stinks to high heaven," writes Erich von Däniken. "In Twilight of the Gods," says von Däniken, "I document precisely what it was that left the first visitors breathless as they stood before the mighty stone blocks some 400 years ago. I will show you what archeologists discovered hundreds of years ago and demonstrate how much has been destroyed over the centuries. Intentionally.

Greatly expanding on his blockbuster 1421, distinguished historian Gavin Menzies uncovers the complete untold history of how mankind came to the Americas - offering new revelations and a radical rethinking of the accepted historical record in Who Discovered America? The iconoclastic historian's magnum opus, Who Discovered America? calls into question our understanding of how the American continents were settled, shedding new light on the well-known "discoveries" of European explorers, including Christopher Columbus.