1. Kaiserburg. Source: tichr / Shutterstock.com. Kaiserburg. On the steep sandstone cliffs over the north side of Nuremberg’s Altstadt is a castle that carried real power in the times of the Holy Roman Empire. The imperial courts met here, and every newly elected emperor was obligated by decree to hold his first Imperial Diet at Kaiserburg.

The Imperial Castle of Nuremberg (Nürnberger Burg), is an impressive 351-meter-tall fortification that dominates the Old Town's skyline. One of the most important surviving medieval fortresses in all of Europe, it was once the residence of all legitimate German kings and emperors from 1050 to 1571.

Ultimate 1 Week Road Trip Through the Best of Bavaria. Overview of this Itinerary. I specifically designed this itinerary as a road trip, because it gives you the ultimate flexibility. But trust me, driving in Germany is a treat. Autobahns (aka highways) are in immaculate condition and they are easy to navigate.