Koln

High Gothic cathedral housing the Shrine of the Three Kings, featuring two massive spires and extensive medieval stained glass within a cruciform floor plan.

Archaeological museum built above the third-century Dionysus mosaic, containing one of the world's largest collections of Roman glass and numerous funerary monuments from the ancient settlement of Colonia Claudia Ara Agrippinensium.

Art museum housed in a contemporary building containing one of the world's most significant collections of medieval paintings, particularly from the Cologne school, alongside an extensive gallery of Impressionist and Neo-Impressionist works.

Modern art museum containing extensive collection of Pop Art, Abstract, and Surrealist works, including one of the largest Picasso holdings in Europe and significant Russian avant-garde pieces.

Eighteenth-century museum located in the original house where Eau de Cologne was first manufactured, featuring extensive collections of historical perfume decanters and original documentation of the fragrance industry.

Romanesque church built on the remains of a Roman storehouse, distinguished by its massive four-towered crossing structure and distinctive trefoil choir design.