Lake Toba is another of the island's spectacular sights - a remarkable volcanic crater set in the middle of northern Sumatra, 176km from Medan. The lake is huge (the largest in South-East Asia), occupying the caldera of a giant volcano that collapsed on itself after a massive eruption some 100,000 years ago.

Alifu Dhaalu Atoll, also known as South Ari Atoll, lies southwest of Malé in the central Maldives and includes a mixture of inhabited islands, uninhabited islets, sandbanks, and resort islands. The atoll is surrounded by coral reefs and clear lagoon waters, while many of its inhabited islands retain compact communities shaped by fishing and maritime traditions. Mahibadhoo serves as the administrative capital, with Dhangethi, Dhigurah, Omadhoo, and Mandhoo among the better-known local islands.

Fiji, a tropical haven in the heart of the South Pacific, is made up of over 330 islands, each with its own distinct character. The islands boast lush rainforests, soaring mountains, and white sandy beaches, offering a wide range of activities, from kayaking through calm lagoons and paddleboarding along scenic coastlines to zip-lining through lush rainforests and hiking across mountainous terrain.

South of Paris, the Cathedrale Saint Etienne, one of the most beautiful Gothic churches in France is here.

An Eastern city of Turkey, known in ancient times as Amida, spreads across a basalt plateau close to the banks of the Dicle River. The black basalt triple walls which encircle the old town give the city a rather ominous appearance.