Not only in Santorini, either. They were ubiquitous across multiple Cycladic islands I visited. In retrospect, duh. That is the Cycladic architectural style. But because of the popularity of one ...

The Greek Islands might make you think of turquoise waters, stunning architecture, and Meryl Streep singing ABBA.

That, in combination with Oia's alluring white-and-pastel colored architecture and a bevy of luxurious cave hotels attract many a honeymooning couple. (It also helps Santorini earn a top spot on ...