This inactive volcano is the Ancient Romans' entrance to hell. It's also famous for steaming jets of sulfurous vapor and boiling mud, once considered remedies for respiratory illness, rheumatism, sterility, and ulcers. Now I think they simply produce raging headaches.
It really smells awful.
At any rate, Cole thoroughly enjoyed our visit - he's very interested in rocks, minerals and volcanoes. I think anyone with similar interests will find Vulcano Solfatara a worthwhile - albeit smelly - excursion from Naples.
Travel time: 1 hour round-trip
Cost: 18.50 Euro (admission for 2 adults, 1 child)
Transit options: parking is available on site, and the Pozzuoli-Solfatara Station is 1 km (downhill) from the entrance