Located in Pacifica, Rockaway Beach is a coastal gem known for its distinct brown sand, setting it apart from the white sand dunes of the rest of the California coast. Its unique color comes from ...

Rockaway Beach is located in southern Pacifica, the perfect daytime destination from San Francisco, and its eerie dark brown sands are due to the mixing of eroded limestone with volcanic greenstone.

Iceland's Vik Beach is one of the most breathtaking black sand beaches you'll ever see! Photo: iStock Move over, powdery white shores — there's something irresistibly dramatic about black sand ...