One of Europe’s and the world’s most interesting regions, the countries that surround the Black Sea hold many of humankind’s most extraordinary historic and architectural treasures. Architecturally, the region is dotted with Roman, Greek, Ottoman, Byzantine, and neo-classic examples of our finest constructs. From the Crimea to Romania, down to Bulgaria, then to Turkey and Georgia, many largely underestimated wonders await new travelers. Here are but a very few magical ones.