The High Mainz Cathedral, the Episcopal Church of the Roman Catholic Diocese of Mainz. The counting of the imperial cathedrals built in its present form is a three-aisled Romanesque pillar basilica, which has in its annexes both Romanesque and Gothic and Baroque elements. The construction of the cathedral dates back to the year 975th As the construction period will be held today from 20 years to be possible. Again in 2001 began a renovation of the cathedral