- livius.org articles/place/augusta-treverorum-…The Porta Nigra or "black gate", is the most famous building of Trier and has become its symbol. It belongs to the walls of Trier, which were erected during the...
- spottinghistory.com view/3785/porta-nigra/In 1986 the Porta Nigra was designated a World Heritage Site, along with other Roman monuments in Trier and its surroundings.
- http://galenfrysinger.com germany_trier_porta_nigra.htmIn 1986, the Porta Nigra was designated a World Heritage Site, along with other Roman monuments in Trier and its surroundings.
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- werk5.com en/projects/porta-nigra/For 800 years, the Porta Nigra in Trier served as a double church. Until Napoleon demolished the church and the original Roman city gate was rebuilt.
- geomerid.com en/place/porta-nigra-trier-travel-…After his death in 1035, he was canonized, and the Church of Simeon of Trier was built based on the construction of the Porta Nigra.
- worldtravelimages.net Trier_Portanigra.phpPorta Nigra (Black Gate), an impressive large dark gate built by the Romans as main gate throught the city wall. This is the gate to Trier's Old Town and...
- en.advisor.travel poi/Porta-Nigra-3282In 1986, the Porta Nigra was designated a World Heritage Site, along with other Roman monuments in Trier and its surroundings.
- booked.net visit/attraction/germany/trier-18274/…Porta Nigra served as a main entrance to the Roman city of Trier, which was once one of the largest and most important cities in the Roman Empire.
- trier-info.de en/places-of-interest/porta-nigraWhen the Romans laid the foundation stone for the Porta Nigra in AD 170, they would never have imagined how successful it would be.