Coral reefs are some of the most diverse and vibrant ecosystems on Earth, often referred to as the 'rainforests of the sea.' They provide critical habitat for a wide array of marine life, making them perfect for snorkeling, scuba diving, and eco-tourism. From the Great Barrier Reef in Australia to the Caribbean's colorful reefs, explore the unique experiences and key highlights that make these underwater wonders a must-see for travelers seeking adventure and natural beauty.