Aegeus's son Theseus forgot to change his sails from black to white, which was the pre-arranged signal that he had slain the Minotaur.

The sea's low levels of phosphates and nitrates prevent phytoplankton from thriving, resulting in incredibly clear but biologically sparse water.

These strong northerly winds channel down from the Balkans, providing natural relief during harsh Mediterranean summers while occasionally disrupting ferry travel.

The islands are actually the visible summits of a continuous mountain range that connected Greece to Asia Minor before tectonic shifts caused the landmass to sink.