Where is the edge? Outer space perhaps?
In ancient times, the edge of the world was the southwestern tip of mainland Europe, Cape Saint Vincent in the western Algarve region of Portugal.
Several civilizations reached the cape, including the Phoenicians, Carthaginians, and Greeks. The Romans called it Promontorium Sacrum (Holy Promontory). From the cliffs, they watched the sun set into the sea, marking the extremity of the world as they knew it.
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