Ever heard of koa before you came to Hawai‘i? 👇🏼 Meet Acacia koa—an endemic tree, meaning it grows nowhere else on Earth. And yes, it’s just as legendary as locals say. Koa forests once covered huge swaths of the islands, but today they’re up against a few tough opponents: invasive plants, grazing animals, and a fungal disease known as koa wilt. Tough tree, tougher challenges. One of the perks of hiking with our guides? We know exactly where these giants like to hide. Once you learn to spot th