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.

Built in the 11th century and faithfully rebuilt after World War II, this is the finest example of Ottonian Romanesque architecture anywhere. Its painted wooden ceiling dates from 1230.

This 11th-century Romanesque Dominican church of rough sandstone looks like a miniature of Worms Cathedral. The exotic dome was likely inspired by Crusader descriptions of Middle Eastern architecture.

The French Cathedral is the oldest of the two churches on Gendarmenmarkt square. It was built by the Huguenot (French Calvinist) community between 1701 and 1705.