Catania, nestled on the eastern coast of Sicily, is a city shaped by fire and stone. Built from the black lava of Mount Etna, it’s a landscape filled with energy and contrasts from its Baroque palaces to its open air fish markets. At the heart of the city stands the Piazza del Duomo, where the iconic Fontana dell’Elefante, which is carved from volcanic rock, greets every visitor who passes by.

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.

Sandakan, on the northeast coast of Sabah in Malaysian Borneo, is a city where history, wildlife, and culture come together. Once a major trading port known as “Little Hong Kong” for its bustling connections to the wider world, Sandakan has retained its multicultural character, with influences from Chinese, Malay, and Indigenous communities visible in its temples, markets, and cuisine.

Sonoma is a year-round haven that combines in one location everything you could desire in a memorable travel experience - the finest wine, dining, lodging, and spas, a flourishing arts community, interesting history and the bounty of Northern California's great outdoors.

Shenzhen, a dynamic metropolis in southern China, offers a unique blend of modernity and innovation. As a global technology hub, the city is renowned for its sleek skyscrapers and cutting-edge infrastructure. A visit to the Shenzhen Civic Center showcases the city's ambitious architecture, with its impressive glass buildings and futuristic design. The Shenzhen Museum, located nearby, provides a deep dive into the city's rapid development from a fishing village to a high-tech powerhouse.