Commissioned by Charlemagne in 786 AD, Aachen's cathedral is the oldest in Northern Europe and contains several holy relics.
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.
Begun in 1209, this was the first Gothic cathedral in Germany and it is the tallest cathedral in the East Germany. Inside it shelters the grave of Otto I the Great.
Originally built by Constantine, this is the oldest church in Germany. It houses an array of artworks and a holy relic that still receives many pilgrims: the Holy Robe of Christ.
This is easily the greatest Gothic cathedral in Germany and it has been Cologne's most famous landmark for centuries. Once the tallest building in the world, it still has the largest facade anywhere.