Massive columns characterize this ancient site, which stands as a reminder of how long some projects take to finish. Construction began in the sixth century BC but only ended under Hadrian roughly seven hundred years later. It was once among the largest temples in the world, though only a fraction remains.

Walking through the site feels like navigating a giant stone skeleton. You can see fifteen Corinthian columns still standing, while one lying in sections shows the scale of the architecture. The ground is open and flat, offering a clear perspective of the remaining structure against the modern city skyline.

Visitors can easily fit this stop into a morning walk through central Athens. It is located near Hadrian’s Arch and provides a good alternative to the busier Acropolis nearby. You should bring water and a hat, as the site offers very little shade while you explore the ruins.