Founded in 1010, the cathedral of Hildesheim contains many treasures of early medieval art, including bronze doors carved with biblical scenes and a bronze column showing the life of Christ.
The house where Luther and his family lived is well-preserved and full of Reformation relics, including Luther's desk, his pulpit, and first editions of his books.
Schottenkirche St Jakob
Founded by Irish missionaries, this Romanesque church is famed for its fascinating sculptured portal.
Built in the 1300s on the site of earlier cathedrals, this is the finest Gothic building in Bavaria. Its harmonious exterior is alive with medieval sculptures and inside is medieval stained glass.
Commissioned by Charlemagne in 786 AD, Aachen's cathedral is the oldest in Northern Europe and contains several holy relics.
Before World War II, Worms had one of the oldest Jewish communities in Germany. Today it is home to a rebuilt Romanesque synagogue, a medieval underground mikveh and a Jewish museum.
Originally a small Carolingian church built in the 8th and 9th centuries, the Church of St. Magnus has since been rebuilt and expanded. It was the first church in this region to convert to Protestantism.
An attractive Protestant church on the east side of Berlin, St. Mary's Church houses a 15th-century fresco of "The Dance of Death" and other artworks.