Church of St. Nicholas This church houses the tomb—but not the remains—of St. Nicholas, the likely progenitor to Santa Claus. City of Manazan Naturally protected city carved from a rock face. Column of Marcian The only Roman honorific column in Istanbul. Column of the Goths This column celebrates Rome's victory over the Goths, and may be the oldest Roman monument in Istanbul. Derinkuyu Underground City The deepest underground city in Turkey was designed to protect 20,000 people behind massive stone doors. Durupınar Site Natural rock formation, or biblical artifact that saved Earth's wildlife two by two? « Previous 3 4 5 6 Next »