The city of Pavlopetri, underwater off the coast of southern Laconia in the Peloponnese, Greece, is about 5,000 years old, and is the oldest submerged archeological town site. Pavlopetri submerged town is located between the Pavlopetri islet across the Elafonisos village and the Pounta coast. It is unique in having an almost complete town plan, including streets, buildings, and tombs. BBC - City Beneath The Waves - Pavlopetri - Greek subs - YouTube
Archaeology: ancient Roman house found in Arezzo, Italy (ANSAmed) - 27 FEBRUARY 2014 - An important archeological find of ancient Roman ruins has been made at the Medici Fortress of Arezzo in central Italy. During work for the reorganization of the historic building, evidence of an ancient Roman structure dating from the early decades of the first century AD were brought to light - probably a residence, or domus.
A. Scholl, "ΑΝΑΘΗΜΑΤΑ ΤΩΝ ΑΡΧΑΙΩΝ. The Akropolis Votives from the 8th to the early 6th Century B.C. and the Formation of the Athenian City-State", JDI 121 (2006), fig. 42, Athens, Acropolis: bronze siren attachment from an early Archaic cauldron
Aryballos in the shape of a siren. Corinthian. ca. 580 BC - ca. 570 BC, Museum of Fine Arts, Boston. The vase is modelled in the shape of a siren. Brown spots of paint cover the body, and the tail, feet, and hair are also painted brown. There is red overpainting in the hair. There is a hole at each side of the neck for suspension, and a hole for filling at the top of the head. Perseus:image:1990.24.0313