Greece gets visited for the sea. That is not a criticism, and the beaches earn it. But the country most people describe once they are home is the older one, and it is worth knowing what that half of a trip actually involves before it gets squeezed into a spare afternoon.
The sites are closer together than they look
Three of them carry most of the weight. The Acropolis sits inside Athens, walkable from the centre, and the slopes below it — the theatres, the Odeon, the path around to the Agora — are part of the same visit rather than separate ones. Delphi is two and a half hours out of Athens by road, on a mountainside above a valley of olives, and the drive is half the point. Olympia is further, four to five hours, and is usually reached from the Peloponnese side of a longer loop rather than as a day trip.
What surprises people is the museums. Delphi’s holds the bronze charioteer and the twins of Argos; Olympia’s holds the Hermes of Praxiteles and the pediments from the temple of Zeus. In both cases the stones outside are the ruin and the museum is where the thing itself went, so seeing one without the other is half a visit. Budget for both, in that order.
Timing decides whether any of it is pleasant
Marble in full August sun with no shade and a queue is a different experience from the same place in late April. The shoulder months are not a compromise here; they are the correct answer. Sea temperature peaks in September, the light is better either side of high summer, and the sites are quiet in the first hour after opening in a way they never are at noon. The month-by-month view covers what each part of the season does.
For anyone building a first trip, the shape that works is two nights in Athens at the start, the islands in the middle, and one night back in the city before the flight. Athens is not a transit lounge, the ancient sites sit inside it, not beyond it, and the ferries all leave from Piraeus anyway. The gateways and onward ferries are the practical half of that.
The myths did not stay in Greece
The thing that makes the ancient half of a Greek trip stick is that nobody arrives at it cold. The stories have been in circulation for three thousand years and they are still in circulation now, which is why standing in front of the temple of Apollo at Delphi feels like recognition rather than introduction.
They resurface everywhere. On screen in Troy and, less reverently, in Mamma Mia!; in print in Stephen Fry’s Mythos and Madeline Miller’s Circe, both of which retell the same material that the museum labels summarise in a line. Even online gaming leans on it: Greek-themed slot games such as Rise of Olympus and Age of the Gods are staples at the best slot sites, which says something about how durable a good pantheon is as raw material.
None of that is why anyone should go. It is why the going lands the way it does. The Charioteer is a young man holding reins, cast in bronze in the fifth century BC and dug out of the ground in 1896, and the reason a room full of visitors goes quiet in front of him is that they already half know who he is.
What to leave out
Not everything ancient is worth the detour, and a trip that tries to include Mycenae, Epidaurus, Delphi, Olympia, Sounion and the Acropolis in ten days is a trip spent in a car. Two major sites done properly beat five done from a coach window. The islands are also full of small archaeological sites that cost nothing and are empty — the ancient port on Anafi, the Sanctuary of the Great Gods on the way through the north Aegean, the Kastro on Sifnos — and those tend to be the ones people remember, because there is nobody else there.
The full set of island guides is on the destinations page, organised by ferry group rather than by rank.