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On one of the many package deals available online, explorers need to embark and disembark from Ushuaia, one of the southernmost points of Argentina.

Ushuaia’s frigid climate and remote location meant that if inmates managed to escape the prison grounds, they rarely got far.

Nestled along the Beagle Channel with snow-capped mountains behind it, Ushuaia grew into a significant port city of 80,000 and a hub for ecotourism.

The prison has been turned into a museum and “dark tourism” attraction — like Chernobyl — that serves as a reminder that Ushuaia owes its existence largely to the labor of the inmates.

The case of Simón Radowitzky, an anarchist who was transferred to Ushuaia in 1911 after assassinating the Buenos Aires police chief in the aftermath of violent clashes between police and labor movement protesters, put a media spotlight on the prison and fostered demands for its closure.