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From the Cologne World / Places
St Gereon's Basilica
St Gereon's Basilica pairs a late Roman oval core with a striking ten-sided medieval dome. It offers a different architectural story from Cologne's Gothic Cathedral, especially if you can enter the church.
The unusual central space lets you see centuries of building gathered around an ancient core. Look upward to understand how the medieval dome reshaped it, then seek the Staufer floor mosaic in the crypt if that space is accessible. It is a strong choice for visitors exploring Cologne's Romanesque churches in depth.
What to look for
The ten-sided dome rises over a late Roman oval core.
The crypt contains a Staufer mosaic with Samson and David.
Roman wall fabric remains part of the church's layered structure.
Useful to know
Check the parish's access information before planning to see the dome and crypt from inside.
Pair it with another Romanesque church to compare their very different interiors.
Your next visit
Estimated · Declared scenario and planning estimates; no live opening, weather, queue or booking service.
Indoor visit · 25–50 min
World planning estimate; admission, opening, visit duration and access need checking.
