Beneath the Cappadocian plateau in central Turkey, hundreds of underground settlements honeycomb the soft volcanic tuff — and the largest, Derinkuyu, exten
Choose your own path through ancient archaeological mysteries with our interactive story experiences. Each story presents multiple perspectives — mainstream, alternative, and speculative — letting you explore the evidence and reach your own conclusions about ancient civilizations. Navigate branching narratives that weave together archaeological findings, geological data, and competing theories into engaging investigative journeys. Our stories cover topics ranging from the water erosion debate around the Great Sphinx to underwater discoveries near Bimini and the enigmatic engineering of South American megalithic walls.
Beneath the Cappadocian plateau in central Turkey, hundreds of underground settlements honeycomb the soft volcanic tuff — and the largest, Derinkuyu, extends at least 18 stories deep, with space for 20,000 people along with their livestock, food stores, wine presses, chapels, and ventilation shafts reaching the surface. The city features rolling stone doors weighing up to 500 kilograms that could seal each level independently, and a ventilation system so sophisticated that fresh air reaches the lowest floors through a network of over 15,000 shafts. A tunnel eight kilometers long connects Derinkuyu to another underground city at Kaymakli. The cities were carved with hand tools from relatively soft tuff, but the engineering of airflow, water management, and defensive architecture reveals planning of extraordinary sophistication. Who built them and why remains debated — Hittites, Phrygians, and early Christians have all been proposed as original builders, but the deepest levels may be far older than any of these civilizations.
This interactive archaeological story lets you choose your path through competing perspectives on ancient mysteries. Navigate branching narratives that present mainstream archaeological interpretations alongside alternative hypotheses, examining the evidence from multiple angles. Each choice leads to deeper exploration of the archaeological record, geological data, and scholarly debate surrounding this ancient enigma.