Yes, you can absolutely explore the ruins of Pompeii without a guided tour, and many visitors prefer this "self-guided" approach to set their own pace. The archaeological site is massive—covering over 150 acres—and it can be overwhelming without a plan. To make the most of a solo visit, it is essential to download an audio guide or a detailed map (available at the entrance) or use a specialized app. Upon entering, you can walk through the ancient streets, visit the Forum, the amphitheater, and step into preserved Roman villas like the House of the Vettii at your leisure. The main benefit of going without a tour is the freedom to spend more time in less-crowded corners of the city, away from the large groups that cluster around the most famous frescoes and body casts. However, because there is very little signage explaining what you are looking at, doing some pre-trip research or carrying a good guidebook is highly recommended. For the best experience, arrive early in the morning to avoid the midday heat and the bulk of the tour groups, ensuring a more contemplative and immersive walk through history.