Though most people dream about a white sand beach, that's not the only color beaches come in. Across the world are beaches filled with bright purple, pink, red, green, black, orange, and white sands.

White sand beaches aren't made of eroded rock like most beaches. They're actually the remains of coral — but it's not all eroded coral. See, parrotfish nibble the algae off coral, but they often ...

Ninety miles from the sea, bone white against the muddy black banks of the Alabama River, the sand dollar stands out. The distinctive, petal-like pattern on its surface is perfect and unmistakable ...

Fifty years or so ago, black streaks on Staten Island's beaches in the sand near the high tide line were often oil or tar that had spilled as oil tankers unloaded their cargo at the refineries ...