The Roman Forum excavations can be seen best from Polignotou Street. On the northeast corner is the Tower of the Winds, built in the first century BC, which served as a sundial, water clock and weather vane. Daily 8 am-7:30 pm (closed earlier in winter). 2 euros. A 12-euro multipass covers this site, as well as the Acropolis, Temple of Olympian Zeus, Ancient Agora, Theater of Dionysus and Kerameikos. Just east of the Ancient Agora, Athens. Phone 210-324-5220. http://odysseus.culture.gr.
