The inside stories of how the unknown engineers of NASA created such superior machines as the Saturn V moon rocket, the Space Shuttle, and the Hubble Space Telescope, often against incredible odds.
On April 23, 1945, the U.S. Navy warship USS Eagle 56 exploded off the coast of Portland, Maine due to a malfunction of the ship's boilers...or so the official report said. A civilian-led dive expedition attempts to discover the lost wreckage and find out what really happened, uncovering fresh clues, startling eyewitness accounts, and a possible cover-up.
The story of Qin Shi Huang is as epic in life as it is in death. Crowned as a boy king over 2,000 years ago, he grew to unify China for the first time, establishing a new form of government, uniform laws, and a single writing system that is still in use today. He also ordered the construction of a royal tomb that is larger than the Great Pyramid of Giza and is guarded by a massive army of terracotta warriors. Explore the transformative life and magnificent afterlife of China's first emperor.
Africa's diverse terrain is as awesome as it is deadly. With scalding volcanic fields, scorched-earth deserts, and violent waterways, discover what lives in some of the world's most inhospitable places and see how these species have adapted to thrive where others would perish.
In the idyllic confines of the Rocky Mountains, the challenges for local wildlife are varied and intense. High altitudes, treacherous waterways, native predators, and more make for an ecological tightrope that delivers drama at every turn. Take a thrilling romp into the heart of this legendary North American wilderness.
The old battlefields of World War II hold many secrets, including lost sanctuaries, buried atrocities, and forgotten heroes. Now, military experts and conflict archaeologists are using cutting-edge, drone-mounted technology to re-examine some of the European theater's most iconic sites and reveal their untold stories. From Maltese submarine wrecks to a top-secret research base in Scotland to the location of the Battle of the Bulge, this six-part series revisits seminal moments from history's greatest war from an entirely new perspective.
It begins at Minnesota's Lake Itasca and ends in the Gulf of Mexico. From top to bottom, the mighty Mississippi River is a 2,300-mile marvel and America's lifeline to the world. Follow the river as it carves its path from the northern headwaters to the nation's heartland to the southern bayou. Discover how the Mississippi operates as an engine of commerce, and see how its creatures thrive in and above its rushing waters and along its lush, green banks.
Across land, sea, and air, they carry the most massive, fragile, and expensive cargoes on the planet to destinations hundreds, even thousands, of miles away. Follow the teams of engineers tasked with planning and executing the world's most nail-biting moves. Through each daring and dangerous relocation and amidst tough conditions and tight deadlines, these heavy haulers must overcome incredible challenges to get their colossal cargoes to their new homes.
There's no better way to take in Greece's great diversity, natural beauty, and mythic grandeur than to experience it from a god's-eye-view. This exhilarating aerial tour whisks you away on a four-part, cross-country journey above the heart of Athens, over the timeless, contrasting Aegean archipelago, and across eastern islands of mesmerizing beauty and priceless heritage. Along with the physical splendors, we also explore the human stories of the people who embody the ingenuity, resilience, and vibrant spirit of this remarkable country.