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.

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.

Founded by Irish missionaries, this Romanesque church is famed for its fascinating sculptured portal.

Martin Luther preached his last sermons in this Gothic hall church on the main square. The pulpit is preserved in its original place, the altarpiece is a fine example of late Gothic art.

These two churches form the most attractive ecclesiastical compound in Augsburg. Constructed around 1500 over a Roman temple, one is Catholic and the other is Protestant.

This Romanesque "double church" in an eastern suburb of Bonn was completed in 1151. Its exterior is colorfully painted and its interior vault is covered in well-preserved medieval murals.