Deep in rural eastern Washington, remnants of three Cold War-era missile silos stand as eerie relics of a bygone era. These silos once housed Titan I intercontinental ballistic missiles (ICBMs), part of America’s early nuclear deterrent programme. The Titan I system was operational for only three years (1962–1965) before being decommissioned and abandoned.

Today, the flooded silos have become an unusual dive site, drawing adventurous divers to explore their submerged tunnels and control rooms. Local dive company Undersea Adventures has previously offered guided dives, though access is highly restricted. Due to extreme hazards such as entanglement risks, collapsing structures and limited visibility, attempting to explore the site alone is highly dangerous and strongly discouraged.

America's eeriest abandoned military sites