What is hidden beneath Iran’s mountains—and why are satellites watching it so closely? In this episode, we explore the mystery surrounding Iran’s deepest underground nuclear facilities and what satellite imagery can reveal about massive structures buried beneath the surface.

From underground tunnels and hardened nuclear sites to satellite surveillance, Iran’s nuclear program, and the strategic importance of deeply buried facilities, we examine what is known, what experts can infer from imagery, and what remains hidden underground.

Could these enormous structures be designed to withstand military strikes? Why are underground nuclear facilities so difficult to detect and destroy? And what can modern satellite technology actually reveal about Iran’s most heavily protected sites?

Listen to the full episode for a fascinating investig ...