Dreikönigsschrein, the Reliquary of the Three Kings is a tomb where they say that the remains of the Three Wise Men are enshrined. Set in a huge display case behind the main altar of the Cologne Cathedral, this is considered to be the largest shrine in the western world.
It took the world renowned goldsmith, Nicolau de Verdun spent half of a century building this masterpiece. The shrine was completed in 1225 and the remains of the Magi were laid to rest here.
This golden Reliquary of the Three Kings is made of wood, coated with gold, silver, enamel, and adorned with precious and semi-precious stones.

According to the legend, Queen Helena, mother of Constantine travelled to the Middle East to find the remains and bring them back to Cologne. The reliquary is comprised of three sarcophagi, two on the bottom and one on top.


More about the Three Wisemen can be found at this link…
http://projects.leadr.msu.edu/medievalart/exhibits/show/reliquary_cathedral_comparison/three_magi