[Agora Webpage] AgoraPicBk 16 2003: Odeion of Agrippa

http://agathe.gr/guide/odeion_of_agrippa.html

Odeion of Agrippa Late in the 1st century B.C. the Athenians were given money for a new marketplace by Caesar and Augustus, and the northern half of the old Agora square was filled with two new structures, ... Odeion of Agrippa Late in the 1st century B.C. the Athenians were given money for a new marketplace by Caesar and Augustus, and the northern half of the old Agora square was filled with two new structures, the Odeion of Agrippa and the Temple of Ares. ... Ground plan of the Odeion of Agrippa, 1st phase. ... The Odeion of Agrippa was destroyed by the Herulians in A.D. 267.

[Agora Webpage] AgoraPicBk 16 2003: History of the Excavations

http://agathe.gr/guide/history_of_the_excavations.html

History of the Excavations Some of the Agora monuments have never been fully buried and were explored by the Archaeological Society starting in the 19th century: the Stoa of Attalos (1859–1862, 1874, and ... History of the Excavations Some of the Agora monuments have never been fully buried and were explored by the Archaeological Society starting in the 19th century: the Stoa of Attalos (1859–1862, 1874, and 1898–1902), the Giants and Tritons of the Odeion (1859, 1874, and 1912), and the West Side (1907–1908). The trench for the extension of the Athens–Piraeus railway in 1890–1891 also exposed remains of buildings and sculptures. ... Giants and tritons of the Odeion of Agrippa before the start of excavations, view looking east.