 Volcano Rocks are no longer available and information on the original candy is scarce and often misleads some to believe Pop Rocks are a viable substitute.Vallo di Nera

Vallo di Nera is a "comune" (municipality) in the Province of Perugia in the Italian region Umbria, located about 60 km southeast of Perugia.Valtopina

Valtopina is a "comune" (municipality) in the Province of Perugia in the Italian region Umbria, located about 30 km east of Perugia.