Cologne Cathedral, Germany.

Kölner Dom - Cologne Cathedral, Germany

Cologne Cathedral, Germany

A 1 Nice Blog: Sunset over Cologne, Germany

Koln, Germany

Cologne Cathedral and Hohenzollern Bridge, Cologne, Germany

Cologne, Germany

Rhine river map with 30 Rhine castles, Castle Hotel Burg Liebenstein, near Castle Sterrenberg and Kamp-Bornhofen on the Middle Rhine river, the most beautiful part of the Rhine with its numerous romantic castles, between Frankfurt, Wiesbaden, Rudesheim, Koblenz, Coblence, Koln, Cologne

Hannover, Germany

Wieskirche, Steingaden - Bayern, Germany

Kölner Dom

Cologne's Cathedral, Germany

Cologne Cathedral , Germany

The Cathedral of Cologne

Roman Catholic church in Cologne, Germany

Historic City of Cologne, Germany

Milan cathedral, Italy. Beautiful!

Germany: In the Black Forest. Illustrated by Willy Dzubas, circa 1930.