Science Channel HD

An underground labyrinth once used by a secret police force could warp the mind and turn friend into foe; experts turn up new evidence pointing to madness, murder and mayhem, revealing what happened in these cursed tunnels and why it was abandoned.

New discoveries at the site of an alleged long-lost gold mine could lead investigators to a $200 million payday; experts use cutting-edge tech to investigate clues in long-lost maps and relics to recover the Lost Dutchman's treasure.

New evidence from one of the world's oldest maps offers clues to a long-lost civilization of untold treasure, and this cutting-edge expedition might finally prove that this mysterious kingdom is the ancestral home of the ancient Egyptians.

Three cosmonauts mysteriously die as they re-enter Earth's atmosphere and NASA needs to know why; a declassified document shows a CIA plan to use a space disaster as a cover to start World War 3.

Soviet photos of the moon are intercepted by the CIA; a malfunction aboard the ISS, which imperils the whole crew; NASA probe finds evidence of the possibility of life on Mars.

A piece of the sun seems to have vanished; the Hubble spots an unidentified object traveling faster than light.

Neutron stars are strange and violent phenomena that defy the laws of physics, and new discoveries reveal that these bizarre nightmares are far more deadly than previously believed, with the power to destroy planets and even other stars.

Supernovas are the violent death of giant stars, and new discoveries reveal that these cataclysmic events create the elements that are essential to all life in the universe.

A mysterious cave system is home to some of the oldest human remains ever discovered, and today, the explorers and researchers investigating this site are uncovering shocking evidence of cannibalism among its Ice Age denizens.

A strange underground system known as the Black Cave is connected to a fairytale castle and was home to an infamous nobleman on the run from the law; experts investigate the secrets he left here to discover new parts of this mysterious network.

James Bond is one of the famous characters in history, and new discoveries reveal there might be a secret truth behind this famous figure; experts team up with a former spy to separate fact from fiction and reveal the secrets of modern espionage.

Shocking secrets were revealed when the Berlin Wall finally came down.

Experts investigate if there's a conspiracy surrounding the Dead Sea Scrolls, the ancient texts that the Vatican kept top-secret for decades, which could reveal the location of a mysterious tunnel holding billions of dollars of treasure.

Experts investigate if there's any truth to conspiracy theories that allege secret societies control the course of world history from behind the scenes, and if true, new discoveries might finally reveal the extent of their global domination.

Experts investigate the fate of billions of dollars in gold and artwork that Adolf Hitler stole during World War II; using brand-new discoveries, the location of the missing Nazi treasure could be located.

New investigations into the mysterious life of Jesus Christ reveal the truth behind this history-changing figure; using the latest evidence, experts try to separate fact from fiction.

Alien monoliths haunt the coast of England; an obliterated jungle points to a brutal narco gold rush; evidence of a strange blood-red creature emerging from the deep.

Zombie reindeer haunting the mountains of Norway; strange circles in the sand by a secret U.S. military base; a giant streak in the Arctic pointing towards alien life; cutting-edge technology helps experts answer these sinister mysteries from space.

At a mysterious site in the Gobi Desert, experts discover a monster graveyard; the groundbreaking find contains the treasures of the alien beasts that once lived in this strange world.

When a strange, red plane is discovered near the sight of the Roswell UFO incident, experts wonder if the aircraft has Nazi or extraterrestrial origins, and their investigation reveals new secrets about one of America's most famous faces.

A satanic symbol that points to an army of the dead in Siberia; a massive stone giant in a remote desert; evidence of a Russian doomsday device right on America's doorstep; cutting-edge technology helps experts answer sinister mysteries from space.

At a mysterious site in the Gobi Desert, experts discover a monster graveyard; the groundbreaking find contains the treasures of the alien beasts that once lived in this strange world.