"A striking black-sand beach formed by eroded basalt with clusters of hexagonal rock columns and sharp sea stacks jutting from the waves. The North Atlantic’s rough, frigid waters make swimming unsafe—sudden, powerful sneaker waves are a real hazard—but the haunting geological scenery is essential viewing on an Iceland itinerary." - Lila Harron Battis Lila Harron Battis Lila Harron Battis is a writer and editor. She was previously a senior editor at Travel + Leisure. Travel + Leisure Editorial Guidelines