The must-dive list includes the Mushroom Forest and the very colorful Sponge Forest.A diver exploring Curacao's Mushroom Forest.Credit: Humberto Ramirez/Getty ImagesAfter 143 dives, I’ve learned what makes a scuba destination stand out, from its shipwrecks to its underwater caves to its memorable marine life. In Curaçao, something else grabbed my attention amid the island’s numerous dive sites: underwater “forests” that, despite their name, cont…