Torrylin Cairn is the remains of a Neolithic chambered tomb. The cairn has been interfered with by stone robbing and later dumping of field stones and its original shape and size are uncertain. The chamber is 6.7 metres long by about 1.2 metres wide with each compartment about 1.4 metres long. Torrylin Cairn is of a type found across south-west Scotland known as a Clyde cairn, of which a better preserved example can be found at Carn Ban, about 3 miles to the northeast. The tomb would probably have had a crescent-shaped forecourt, framed by a façade of slender upright stones.
Antiquarian excavations in the 19th century uncovered an elongated burial chamber, divided into four compartments. Only the innermost compartment was intact. It contained the remains of six adults, a child and an infant. Beside them lay a flint tool and a fragment of pottery.
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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.