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.
Made of striking red sandstone, St. Martin's Church is a former collegiate church. It dates from the 12th century and is one of several fine Romanesque churches of Worms.
Maria Laach Abbey
Picturesquely located on the wooded shores of a crater lake, this Benedictine abbey church is a beautiful and important example of German Romanesque architecture.
Built 1125-81, this towering cathedral is considered one of the finest examples of High Romanesque architecture in Germany. It also has splendid Romanesque and Gothic carvings, a gilded Baroque altar, and an eerie crypt.