The Great Barrier Reef stretches along Australia’s northeast coast, forming the largest coral reef system on Earth and one of the planet’s most complex living ecosystems.

Richards Bay is a coastal city in KwaZulu-Natal, set around the Mhlatuze River estuary where wetlands, lagoons, beaches, and the Indian Ocean meet. It is both an important industrial centre and a gateway to the Zululand coast, giving the city a distinctive combination of working harbour and protected natural areas. Richards Bay is known for its deep-water port, while nearby Alkantstrand provides a popular beach setting.

Called "La Metropolis del Sol Naciente" (The City that guards the Sun of the Caribbean), Fajardo was founded in 1772 as Santiago de Fajardo. Fajardo's perfect beaches are bounded by calm, clear water ideal for snorkeling, Seven Seas Beach, offers plentiful water sports facilities, offshore points for sailing, snorkeling and plenty of scuba diving.

Esztergom is one of Hungary’s oldest and most historically significant towns, located along the Danube River just an hour north of Budapest. It was the country’s royal capital during the Middle Ages and the birthplace of its first king, Saint Stephen. Today, visitors are drawn to the Esztergom Basilica, the largest church in Hungary. Its dome rises over 70 meters high and offers panoramic views of the river, the surrounding hills, and neighboring Slovakia across the Mária Valéria Bridge.

The snorkeling is extraordinary in the reefs of Cano Island. Cano has its roots in pre-Columbian trading and is also a former burial ground for coastal Indians.