The Necropolis of Mesu 'e Montes complex consists of 18 domus de Janas (type of pre-Nuragic chamber tombs in Sardinia). The site dates from the Neolithic to Middle Bronze Age. Of particular note, tombs I and II with 12 chambers each, decorated with a variety of features, a ceiling reproducing a gabled roof and a circular hearth sculpted into the floor; and tombs III, IV and XVI, all of architectural interest, with a curved stele in the centre of the exedra.
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.