This Rare Green Sand Beach in the U.S. Is One of Only Four in the World—Here’s What Gives It Its Emerald Glow

"Not your typical beach, Papakōlea Beach—commonly referred to as "Green Sand Beach"—on the Island of Hawaii (the Big Island) is said to be one of only four green-sand beaches in the world and the only one located in the 50 U.S. states." - Lydia Mansel Lydia Mansel Lydia Mansel is a writer with more than eight years of experience editing and writing for both brands and online publications—with a particular focus on travel, fashion, and lifestyle. She’s also the founder of the travel site justpacked.com.  Travel + Leisure Editorial Guidelines