Cologne Cathedral -Germany

Cologne Cathedral:
also known as Kölner Dom, is a stunning Gothic-style cathedral located in the city of Cologne, Germany. The cathedral's construction began in the 13th century and took over 600 years to complete, resulting in a fascinating blend of architectural styles. The cathedral is known for its impressive size, with two spires standing over 150 meters tall, as well as its stunning stained glass windows and intricate carvings.
It is Germany's most visited landmark, attracting an average of 6 million people a year. At, the cathedral is the tallest twin-spired church in the world, the second tallest church in Europe after Ulm Minster, and the third tallest church of any kind in the world.