Pompeii Archaeological Park is a vast Roman city preserved beneath ash and pumice after Mount Vesuvius erupted in AD 79. An easy day trip from Naples, it is remarkable for its sense of scale: visitors can walk along paved streets past bakeries, shops, public buildings and houses. Pompeii is part of a UNESCO World Heritage Site that also includes Herculaneum and Torre Annunziata.
The ruins reveal both the grandeur and the ordinary routines of Roman life. The forum, amphitheatre and public baths are impressive, but smaller details can be just as absorbing: graffiti scratched into walls, deep cart ruts, tavern counters and vivid domestic frescoes. Highlights include the House of the Vettii and the Villa of the Mysteries, while plaster casts of some eruption victims offer a sobering reminder of the disaster's human cost.
From Naples, take a Circumvesuviana train towards Sorrento and get off at Pompei Scavi–Villa dei Misteri, near the Porta Marina entrance. Allow at least three to four hours and pick a few priorities rather than trying to see everything. Check the day's openings before setting your heart on a particular house, as some close for conservation.
Spring and autumn are generally more comfortable than midsummer, when the exposed site can be intensely hot. Wear sturdy shoes for the uneven paving, bring water and sun protection, and consider booking tickets online to save time at the entrance.