Cetinje Monastery.

Tucked against the cliffs of Montenegro’s historic royal capital, the Cetinje Monastery serves as the spiritual heart of the nation and a living archive of its statehood. Founded in 1484 and rebuilt in 1701 after Ottoman destruction, this working Serbian Orthodox monastery is architecturally modest but packed with immense historical weight. Inside, the quiet complex houses some of the Christian world's most revered relics, including the right hand of Saint John the Baptist, particles of the True Cross, and the remains of Saint Peter of Cetinje. Beyond its religious significance, the monastery's treasury functions as a national museum, showcasing medieval manuscripts, imperial crowns, and liturgical treasures that survived centuries of Balkan conflict.