During renovation work at the historic Bolongaropalast in Höchst in Frankfurt am Main, archaeologists uncovered the remains of the earliest Roman military camp in the city. The excavation in the palace garden revealed a well-preserved early Roman site dating to c. the year 0. #RomanFortThursday

Arbeia was a Roman fort in South Shields, Tyne & Wear, England, now partially reconstructed. It was first excavated in the 1870s. All modern buildings on the site were cleared in the 1970s. The fort was built in AD 129 and from 198 it was altered in plan. It was abandoned c. 400. #RomanFortThursday

After abandoning the Alb Limes (the ridgeline of the Swabian Jura) around 150 AD, the Romans erected a castrum to house the cavalry unit Ala II Flavia milliaria in direct vicinity of the then newly erected Rhaetian Limes. Around 260 AD, the Romans gave up the fort. #RomanFortThursday

The Divitia-Deutz fort is the nucleus of right-bank of Cologne in Germany. Little remains of the fort today, which was built between AD 310 and 315. Apart from the northwest tower, the western part of the fort was demolished in the 19th century when the river bank was adjusted. #RomanFortThursday

The remains of the castle Gholaia buried by the sand. A view from the southeast over the Praetorium in the foreground and the Principa of the oasis Bu Njem. It lied along the Limes Tripolitanus. Photo: Jona Lendering. It was used from 201 to 259/263 AD. #RomanFortThursday

Aerial view at ruins of Roman fortress at Toroni on Sithonia peninsula in Chalkidiki, Greece. In 168 BC the Romans invaded the city that decayed, but did not cease to exist, as indicated by the fort at Lecythus, the harbour of Toroni, which was rebuilt during the Byzantine era. #RomanFortThursday

Part of the fort wall at Hardknott Roman Fort (Mediobogdum) in Cumbria. Located on the west side of the Hardknott Pass, the fort was established in the early second century AD. The stones above the slate course are modern. 📸 My own. #RomanFortThursday #RomanBritain #Hardknott

In Townfield, Charterhouse, in Priddy, Somerset, is a rectangular univallate earthwork 87 x 76 m with surrounding ditch. The bank is wide and low, and the ditch is shallow. The date of the earthwork is unclear. It was recorded by Skinner and Colt-Hoare in the early 19th century. #RomanFortThursday

Magna pre-dates the building of Hadrian’s Wall in AD 122. It lies at the junction between two major Roman roads, the Maiden Way and the Stanegate. Today the site, and its civilian settlement, is a series of fields with humps and bumps, the remains of the rampart and a turret. #RomanFortThursday