Cathedral of St. Peter (Trier Cathedral), Trier: How to Visit and What to Do Nearby

Trier Cathedral, the Cathedral of St. Peter, stands on the oldest Christian foundations in Germany, with original construction beginning under Emperor Constantine around 310 AD on the site of his mother Helena's residence. The current structure layers Romanesque, Gothic, and Baroque additions over the surviving Roman core walls that still reach up to 26 meters. The Holy Tunic of Christ, reputed to be the seamless garment worn by Jesus at the crucifixion, is stored in the cathedral and displayed roughly once per generation. Admission is free and the adjacent cloister connects to the Liebfrauenkirche. is just one of many options in Trier. Major attractions worth considering include Trier Liebfrauenkirche, Electoral Palace (Kurfurstliches Palais), and Main Market Trier (Hauptmarkt Trier).