U.S. forces built a recreation center inside a volcano crater near Naples.
Evidence
In and around Naples, U.S. forces built bases in Gaeta, Ischia, Lago Patria, Varcaturo, Marinaro, Grazzanise, Mondragone, Montevergine, Nisida, and Carney Park27—a slightly surreal amusement-park-cum-sports-center secluded in the forested crater of an extinct volcano near Lake Averno, once believed to be the entrance to the underworld. — David Vine, Base Nation_ How U.S. Military Bases…, 338
Categorization
Category: Factual Claims