Temple of Hephaestus
The best-preserved ancient Greek temple on earth, hiding in plain sight.
The Temple of Hephaestus is a 5th-century BC Greek temple dedicated to the god of fire and craftsmanship, standing on a hill at the western edge of the Ancient Agora of Athens. Built around 450–415 BC — contemporaneous with the Parthenon — it is the most complete ancient Greek temple surviving anywhere in the world. Almost all of its original Doric columns, roof, and sculptural friezes are still intact, which is extraordinary given how much else from this era has crumbled or been stripped away. It owes its survival largely to its conversion into a Christian church dedicated to Saint George Akamas in the 7th century AD, which kept it in active use and protected through the Byzantine and Ottoman periods.
You reach it by climbing a low hill through the Ancient Agora archaeological site, which you must pay to enter. From the top, the temple commands a clear view over the ruins of the ancient marketplace below and across to the Acropolis. You can walk all the way around it on a gravel path and get close enough to study the metope sculptures depicting the labours of Heracles and the exploits of Theseus. The interior is visible through the colonnade but not accessible to enter. The surrounding hillside is planted with aromatic shrubs — myrtle, pomegranate, and laurel — which were introduced in the 1950s based on evidence from ancient plant remains found on site.
The temple is included in the Ancient Agora ticket, so you are never here just for this one monument — plan to spend time in the Agora itself, including the excellent Stoa of Attalos museum. The quietest time to visit is early morning or late afternoon on a weekday, when the Agora has fewer visitors than the Acropolis. If you have already paid for the Acropolis and surrounding sites on a combined ticket, that ticket covers entry here too.