The Tropaeum Alpium ('Victory Monument of the Alps'), was built by the Romans for the emperor Augustus to celebrate his decisive victory over the ancient tribes who populated the Alps. The monument's remains are in the commune of La Turbie, a few kilometers from the Principality of Monaco.
The Trophy was built c. 6 BC in honor of the emperor Augustus to celebrate his definitive victory over the 45 ancient tribes who populated the Alps. The Alpine populations were defeated during the military campaign to subdue the Alps conducted by the Romans between 16 and 7 BC.
The monument as partially restored by archaeologists at the beginning of the 20th century, is 35 meters high. When built, according to the architect, the base measured 35 meters in length, the first platform 12 meters in height, and the rotunda of 24 columns with its statue of an enthroned Augustus is 49 metres high.
References: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.