Past Passport

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Beneath Split: Sewers, Secret Tunnels, and an Emperor’s Last Fortress

How a Roman retirement palace turned its basement sewer into a wedding hall — and never stopped working as a city inside a city.

Joseph Pickett's avatar
Joseph Pickett
Apr 28, 2026
∙ Paid
Diocletian’s ‘retirement villa’: a Roman fortress that never retired, now full of cafés and shortcuts instead of soldiers

You don’t enter Diocletian’s Palace the way you enter a ruin, because it never became one. It has stayed lived‑in for centuries.

One moment you’re in open light, the Adriatic flaring off the water and white stone, heat pressing up from the brick pavement. Then the narrow street tightens, the air cools, and the light thins into pale strips that slide down the walls.

Stone closes in on both sides — pitted, rough, sun‑warmed limestone you can drag your fingers across. You feel tiny chips and old tool marks.

A Roman Emperor’s Retirement - Built Like an Empire

Diocletian did not build this palace to rest. He built it to control the end of his life the same way he controlled the empire.

After decades of instability — brutal civil wars, collapsing currency, emperors rising and falling in quick succession — he stepped down voluntarily and came here to construct a walled compou…

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