Trier is rich in ruins from the Roman Empire protected by UNESCO, such as the
Porta Nigra
gatethe Roman baths the Kaiserthermen
a Roman amphitheater which used to host 20,000 spectators.
Geburtshaus von Karl Marx
is where Karl Marx was born, in 1818.Judengasse
an a former Jewish Street, that now houses different bars.Trier Cathedral
incorporates part of a church built by Emperor Constantine and contains the relic of the Holy Robe.The Liebfrauenkirche is one of the earliest Gothic buildings in Germany.