Orthodoxy

• Mount Athos
• monasticism (cenobitic vs idiorrhythmic or eremetic)
• skete
• Kiev Cave Monastery
• Antip/Anthony
• Sergius of Radonezh
• Trinity Monastery (TOTALLY GORGEOUS PANORAMA OF IT!!!)
• Nils Sorskii (non-possessors)
• Joseph of Volokolamsk
• Filofei
• Third Rome
• dvoeverie (dual faith)
• icons and iconostasis
• Andrei Rublev (and here's Andrei Tarkovskii's gorgeous and weird film about him, which does include some nudity, if that's an issue: Part I, Part II)