The Panóias Sanctuary, 'Fragas de Panóias', is located in Vale de Nogueiras, in the municipality of Vila Real. Its construction dates back to the end of the 2nd century - early 3rd century AD.
The sanctuary is an enclosure with three large rocks, where several cavities of various sizes were opened and access stairs were also built.
On the rock located at the entrance of the enclosure, several inscriptions were engraved - three in Latin and one in Greek , describing the ritual celebrated, the gods to whom it was dedicated and who it dedicated.
The sanctuary is composed of tanks of different sizes and shapes, votive inscriptions, building foundations, and access steps. Everything was carved in the granitic rocks outcrop.
Today, only three inscriptions remain in Latin and one in Greek. They contain the instructions of the rituals celebrated, the identification of the gods, and who dedicated the site, Gaius C. Calpurnius Rufinus, a member of the senatorial order.
The ancient Argos Theater was built in 320 BC. and is located in Argos, Greece against Larissa Hill. Nearby from this site is Agora, Roman Odeon, and the Baths of Argos. The theater is one of the largest architectural developments in Greece and was renovated in ca 120 AD.
The Hellenistic theater at Argos is cut into the hillside of the Larisa, with 90 steps up a steep incline, forming a narrow rectilinear cavea. Among the largest theaters in Greece, it held about 20,000 spectators and is divided by two landings into three horizontal sections. Staircases further divide the cavea into four cunei, corresponding to the tribes of Argos A high wall was erected to prevent unauthorized access into the theatron and may have helped the acoustics, but it is said the sound quality is still very good today.
Around 120 CE, both theaters were renovated in the Roman style.