Robert Clotworthy

From the age of dinosaurs to ancient Egypt, from early cave drawings to continued mass sightings in the United States, each episode gives historic depth to the questions, speculations, provocative controversies, firsthand accounts, and grounded theories surrounding an age-old debate: Did intelligent life forms from outer space visit Earth thousands of years ago? Do they visit us now? Episodes include: Mysterious Places; Aliens and the Third Reich;...

What supernatural lives will be revealed when "Underground Portals" explores the 10,000-year-old prehistoric art work discovered in a cave in India. Could the face of Giza's Great Sphinx prove to be older than once thought, and what otherworldly being might it actually represent? History continues its exploration of unexplained events and phenomena in this collection that journeys through the Egyptian pyramids, Central American temples, and Earth's...

The fourth season of the television series analyzes alien evidence here on Earth to investigate extraterrestrial forces and Earth's natural disasters; extraterrestrial beings, the Mayans' disappearance and the doomsday prophecies; and the existence of grey aliens.

Continues to explore the fascinating field of alien research. Researchers explore evidence of mysterious ancient phenomena, such as alien abductions. 'Emperors, Kings and Pharaohs' explores whether ancient leaders, usually attributed with divine powers, were actually connected to extraterrestrial forces. 'Alien Operations' examines advanced medical procedures practiced in the ancient world, as evidenced by wall carvings and skeletal remains. Did these...

Explore whether lost islands and mysterious, Eden-like paradises were actually earthly homes for aliens, and find out why the Greeks, Macedonians, and other ancients believed the world's mountains to be sacred homes to all-powerful gods. Experience American history via rock carvings from an 8,000 BC man-made cave filled with ancient objects and mummies. Is there a link between this cave and the Native American legend of the "star beings"?

Commemorates one of the most defining moments in American history, one which tore the nation apart, pitting North against South, brother vs. brother. Over the course of four years, more than 750,000 military and civilian lives were sacrificed to make the United States a more perfect union. Using state-of-the-art technology to colorize 500 rare black-and- white photographs, and access to government and private archives, the emotional stories of these...

On this season, amazing discoveries shed new light on the theory that extraterrestrials not only visited humans in the distant past but may still be present on Earth today. From bizarre sea creatures in Peru, ancient Druid structures in the American northeast, and alien crafts in Antarctica to alien viruses falling to Earth in comets and people claiming to be alien-human hybrids, could humans be on the brink of a new reality in which they find out,...

On this season, ancient astronaut theorists continue to explore evidence of extraterrestrial contact around the world. From enormous geoglyphs on both the Earth and Mars to strange 17,000-year-old-statues in Africa to remote viewing operations targeting UFOs and other intriguing phenomena, these amazing discoveries shed new light on the theory that extraterrestrials not only visited humans in the distant past, but may still be present on Earth today....

It introduces viewers to a small island off the coast of Nova Scotia where two obsessed brothers are attempting to solve a 200-year-old mystery. Rick and Marty Lagina own most of Oak Island and are determined to find the treasure alleged to be buried there, despite the fact that the island is rumored to be cursed. Legend says seven people must die before the treasure is revealed, and so far, six have lost their lives in the pursuit.

Did intelligent beings from outer space visit Earth thousands of years ago? Are we closer than ever to understanding the strange phenomena in our skies? Are ancient artifacts evidence of extraterrestrial visitations across the globe? This season of ANCIENT ALIENSʼ includes a mix of new episodes with fascinating subjects from an early-1900s prophet in Kentucky and new theories about Greek gods to the next generation of modern-day UFO hunters along...