Love Among the Ruins Series by Deena Remiel

Sage Wilcot, an accomplished scientist, has set her sights on her lifelong obsession, studying the volcanos of the island of Santorini. Once there, though, she gets more than she bargained for. The dormant volcano is waking and shaking things up in the process.An enigmatic stranger—from a mythical ancient city—comes to her rescue and challenges her to believe in the unbelievable. Will she take the huge leap of faith for love’s sake or stay cloistered in her fortress of certainty and solitude?