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d8MA7 TIL that in 1963, a man tore down a wall in his house and noticed an enormous and complex tunnel system behind it. He had rediscovered the ancient underground city Derinkuyu in Turkey.
8nrL TIL in 1963, a man in the Nevşehir Province of Turkey knocked down a wall of his home. Behind it, he discovered a mysterious room. The man continued digging … what he had discovered was the ancient Derinkuyu underground city, part of the Cappadocia region in central Anatolia, Turkey.
QbY6 TIL there exists a massive abandoned supercollider in Texas.