To visit Barcelona is to embrace both the past and the future. There is much to do and see in this cosmopolitan capital of Catalonia, from medieval structures to beaches to UNESCO Heritage Sites by Antoni Gaudí and Lluís Doménech i Montaner.

Serbia is a country where centuries-old monasteries sit just a short drive from lively cities, and where the past is never far from daily life. In Belgrade, the capital, Kalemegdan Fortress offers panoramic views where the Danube meets the Sava River. This fortress has witnessed more than 100 battles and been rebuilt many times over two millennia. Within its walls are Roman ruins, an open-air military museum, and quiet park paths perfect for wandering between centuries of layered history.

Ubud lies in the uplands of central Bali and has long been regarded as the island’s cultural and spiritual heart. Historically a center for healing and royal patronage, the town developed around temples, palaces, and traditional villages that supported dance, painting, woodcarving, and ritual life.

Located on the coast of Sinaloa, Mexico, Mazatlán is a trendy resort town with spectacular beaches and thrilling nightlife. Centro Histórico (Old Town) and Plazuela Machado are replete with colorful, newly-restored neoclassical buildings.

Pemba Island, located off the coast of Tanzania in the Indian Ocean, offers an idyllic escape for travelers seeking pristine natural beauty and cultural depth. Known as the "Green Island" for its lush, tropical landscapes, Pemba is a quieter, less-visited alternative to its famous neighbor Zanzibar. The island is a haven for those interested in diving and snorkeling, as its coral reefs teem with marine life, from colorful fish to graceful sea turtles.