A trip to New York City is the perfect occasion to visit Syracuse, the fifth most populous city in the state of New York and the county seat of Onondaga County. First inhabited by Iroquois Indians, Syracuse's area has experienced intense waves of migration since the mid 1600s, which has shaped the city into a melting-pot of different communities and one of the most important centers for commercial salt production. Today, it's a vibrant and cosmopolitan city with a wealth of cultural activities and world-class events.

El Castell de Guadalest is a village located in Alicante province. In 1974, it was declared a place of historical and artistic interest. Years after, it was named a historical heritage site. In 2015, it became part of “La asociación Los Pueblos más bonitos de España”.

Founded nearly eight centuries ago, Indonesia’s second-largest city has seen empires come and go. The founders of the Hindu Majapahit Empire arrived in the late 13th century and remained until the 17th, to be followed by Muslim rulers of Mataram, then the colonialists of the Dutch East India Company. In recent decades, Surabaya has grown into a cosmopolitan seaport and conurbation where 21st-century hotels, apartment towers, and shopping malls stand next to historic mosques and palaces.

Also known as Canton, Guangzhou is the third largest city in China. It has long been one of China's main commercial and trading centres and is one of the first cities that opened to the world. As one of the fastest growing cities in Asia, Guangzhou has also seen fast growth in tourism, attracting visitors with its cosmopolitan atmosphere, world-renowned Cantonese cuisine and its vibrant nightlife.