If you’re looking to visit a black-sand beach, these eight destinations around the world are some of the best to consider.

black sand beaches intrigue travelers with their mystery and beauty. These beaches form over time by the erosion of volcanic materials such as lava fragments, basalt rocks or other minerals ...

Pillow basalt is very dark, both as hardened rock and when it’s eroded into sand over time. “Most of the California coast is old seafloor stuff,” said Gary Griggs, author and professor of ...