Nanstallon in 1965 by Aileen Fox and Professor W. L. D. 'Bill' Ravenhill. Until recently (2007) it was the second Roman fort in Cornwall but following a geophysical survey another Roman fort has been found away near Restormel Castle. Constructed c. AD 55–60, Nanstallon fort is situated in mid Cornwall near the Fowey-Camel trade and communication route. Nanstallon was probably a forward operating base and was strategically well-placed for a Roman presence to be felt. However, the Roman Legion at Exeter was withdrawn c. AD 75 and with no Roman town west of Isca Dumnoniorum Cornwall settled down to four centuries
National Roman Legion Museum It was occupied and operational for just over 200 years. The National Roman Legion Museum lies inside what remains of the fortress, and contains many artefacts from the period of Isca Augusta of Legio II Augusta from Roman currency to uniforms. A short walk from the National Roman Legion Museum is the remains of Isca Augusta: "See: main articles Isca Augusta and Caerleon". The museum is located in the centre of Roman Isca, on what was the "via principalis" leading to the amphitheatre. The first museum building was the Antiquarian Museum of 1850. This was built to a design by