- getyourguide.com porta-nigra-l174160/Built by the Romans as early as 170 AD, the Porta Nigra has become an important city landmark. Learn about Trier's Roman origins and what life was like under...
- afar.com places/porta-nigra-trierPorte Nigra - impressive piece of antiquity. I visited Trier in 2006 and as part of the visit walked up to and into the Porte Nigra (Black Gate).
- doatrip.de en/germany/rhineland-palatinate/trier/…The destination Porta Nigra located in Trier is a City Wall. ... Detailed information according opening times of the destination Porta Nigra are unknown.
- hostelman.com attractions/germany/rheinland-pfalz…The Porta Nigra (Latin for black gate) is a large Roman city gate in Trier, Germany. It is today the largest Roman city gate north of the Alps.
- worldhistory.org image/13291/porta-nigra-trier/The Porta Nigra in Trier (Germany) is the best-preserved Roman city gate north of the Alps. Constructed in grey sandstone around 170 CE...
- europeanrailguide.com visit/porta-nigraTrier's Porta Nigra is one of best preserved examples of a Roman city gate anywhere in Europe.
- readytotrip.com attractions/porta-nigra-trier/Visitors to Porta Nigra can explore the gate's interior, which includes a museum with exhibits on the history of the gate and the city of Trier.
- tr.wiki34.com wiki/Porta_NigraPorta Nigra ( Latin Kara Kapısı), Trier şehrinin surlarının bir parçası olan Roma İmparatorluğu döneminde inşa edilmiş anıtsal bir kapıdır .
- virtualglobetrotting.com map/porta-nigra/view/…Porta Nigra (Google Maps). Famous roman building in Trier, northern Rome in the first century. It was the northern entrance to the town.
- eventseeker.com venue/678937-porta-nigra-trierPorta Nigra (translated as Black Gate) in the ancient city of Trier is a 2nd-century Roman city gate which, today, is a UNESCO World Heritage Site.