Science Channel HD Investigating whether alchemists such as Nostradamus, Nicolas Flamel and John Dee could truly perform miracles, or were in actuality just clever deceivers. 2026-06-12 Legend has it that the Knights Templar discovered a great treasure in Jerusalem and may have brought it back to England. 2026-06-12 Many ancient cultures allude to the existence of giants; tombs and skeletons of the alleged beings are discovered in Sardinia. 2026-06-12 An abandoned ghost ship appears on a remote island that holds one of the world's last uncontacted tribes; a strange labyrinth in Sicily might have a sinister connection to the Mafia; new evidence reveals a mysterious military compound in Russia. 2026-06-12 New discoveries lead investigators to a crypt rumored to hold the Ark of the Covenant; when a great white shark is killed, experts suspect a mysterious ocean monster; strange markings in the desert might be a tribute to an ancient spider god. 2026-06-12 An abandoned city in the African jungle may be haunted by the malevolent spirits of cannibals; Mount Vesuvius shows signs of an awakening, and the mafia could be to blame; experts investigate Adolf Hitler's secret Nazi UFO program. 2026-06-13