Wastheremarkablemountain-carvedcityofPetraonceruledbywomen?DidtheKnightsTemplarbelongtoanobscurecultthatworshippedJohntheBaptist?DidthePueblocivilizationofChacoCanyonpracticecannibalism?SacredSitesspanstheglobetovisitsomeoftheworld’smostremarkableancientreligiousstructures.Throughrecentarchaeologicaldiscoveriesandscientificbreakthroughs,weofferfreshinsightsintothecivilizationsthatbuiltthesesites,andexaminetheirsometimescontroversial,taboopractices.