Answer:
1:Theatre of Herodes Atticus
The Herodian Theatre is one of the most impressive monuments of Athens and it is today hosting the Athens Festival with performances of theatre, music, and dance. The theatre is open to visitors only during performances. It is located on the south slope of the Acropolis and was added in 161 AD during Roman rule. The theatre was built by Herodes Atticus, a wealthy Roman, in memory of his wife Regale. It has exceptional acoustic capacities and can sit up to 5,000 spectators. It has a façade of 28 m high and 2,4 m width.
2:Ancient Cemetery of Kerameikos
Despite its central location, this site is one of the greenest places in Athens. The Kerameikos was the cemetery of Athens from the 12th century BC to the Roman Times. One can also visit the museum which houses stelae, sculptures, vases, and figurine found on the site.
3:Stoa of Attalos
The Museum of the Ancient Agora is housed in the exact reproduction of the Stoa of Attalos. Finds from the area are displayed as well as an interesting reproduction of the Agora in Antiquity. The original Stoa was built by King Attalos II in 159 BC and used to be the shelter of expensive shops for wealthy Athenians customers.