In Photos: Fascinating Abandoned Military Structures

From radar facilities to bunkers, gun emplacements to forts, militaries build the infrastructure to further their missions. When they are usefulness expires, however, those installations sometimes remain for years, decades, or even centuries, standing as crumbling and dilapidated reminders of wars gone by.

Some abandoned military structures become derelict and are overtaken by nature. Others become hot spots for tourists looking to catch a great sunset and take a few selfies. Many remain so chemically contaminated it would be dangerous to go near them.

Militaries worldwide leave abandoned installments in their wake, sometimes in the form of small, simple structures and sometimes in the form of vast, sprawling complexes that once housed soldiers and their families.

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