Check into the Hopper St. Josef, and take some time to learn about the history of the monastery-turned hotel before moving onto your old city exploration.
Break for lunch at Habibi, a stone's throw from St. Mauritius, and sample some of the city's best Middle Eastern bites.
If you have been sufficiently stunned by medieval architecture, make a pit-stop at the Archäologische Zone, for a peek at an ancient Roman sewer system and praetorium.
Additionally or alternatively, discover the NS-Dokumentationszentruzm, one of the few historical sites left untouched by bombings during the war and preserves a record of war atrocities inside the former Gestapo headquarters.
For dinner, splurge on fine dining inside the converted water tower that is the Hotel im Wasserturm before strolling back to St. Josef.