Theater Class
Theater ClassFort de l'Est
Saint-Denis
This abandoned 19th-century fort once defended Paris from Prussian attack, then became a secret atomic research lab where France's first nuclear bomb detonator was developed. Today it sits contaminated with uranium across 50 hectares of crumbling military ruins: a genuinely dangerous playground for experienced urban explorers only.
abandoned military fort
radioactive contamination
urban exploration
19th century architecture
Tips
☢️uranium contamination still present
💣site of France's first atomic bomb detonator
⚠️experienced explorers only — highly dangerous
Fort de l'Est
Saint-DenisOpens Monday at 7:45 AM
Theater ClassTheater ClassThis abandoned 19th-century fort once defended Paris from Prussian attack, then became a secret atomic research lab where France's first nuclear bomb detonator was developed. Today it sits contaminated with uranium across 50 hectares of crumbling military ruins: a genuinely dangerous playground for experienced urban explorers only.
abandoned military fort
radioactive contamination
urban exploration
19th century architecture
Tips
☢️uranium contamination still present
💣site of France's first atomic bomb detonator
⚠️experienced explorers only — highly dangerous
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