World's Biggest Labyrinth (S01E06)

Title: The Ultimate Maze Plot: Stretching across 1,553 miles, the largest maze on Earth is a vast network of caves steeped in ominous historical enigmas. Recent explorations of this mysterious site uncover hidden truths about Nazi domination, the upheaval of the Soviet era, and espionage during the Cold War, shedding light on secrets long buried in the shadows.