They are sexy, silky and mysterious. Some are hidden and hard to find while others are well known and favored by beach lovers. Images of dark, dramatic black sand beaches elicit the idea of exotic locales but many are found on nearby shorelines. As you travel the world make sure you add a couple of these intriguing coasts to your bucket list. Here, Playa Negra on Vieques is a favorite when visiting the Spanish Virgin Islands.
Photo: Earl Howard