underneath the Old town, some old roman Water system relicts and parts of old roman houses
Archaeological site in the center with Roman ruins, remnants of the Jewish quarter and museum.
Tour the underground archaeological excavations that have exposed the structures of Cologne's Ancient Roman governor’s offices and sewage system.
Der Palast des römischen Statthalters, ausgegraben und konserviert plus röm. Abwasserkanal // the palace of the roman proconsul, excavated and conserved plus antique sewer. Thrilling!
“Best sushi in town. All you can eat for 22 Euros. Actual address is Constantinstrasse.”
“....a very interactive museum especially for young kids, a lot of different things to be seen there from Star Wars to "why does it rain?" - always changing themes”