ABERDEEN -- Scotland's third-largest city (pop. 187,000) is characterized by buildings of beautiful white granite. Set beside the North Sea, Aberdeen is both a university town and the capital of the Scottish oil boom. It is also one of Scotland's largest seaside resorts (though its appeal is confined to those who like their water well-chilled).

Podgorica, the capital of Montenegro, showcases the country’s contrasting landscapes and deep-rooted history. Although much of the city was rebuilt after World War II, traces of its Roman and Ottoman past still remain. Visitors can explore the ruins of Doclea, a Roman settlement just outside the city, where surviving columns and mosaics give a glimpse into life nearly two millennia ago.

Polonnaruwa, located in Sri Lanka’s North Central Province, served as the island’s capital nearly a thousand years ago. Today, it offers one of the most extensive and well-preserved archaeological sites in South Asia. Visitors can walk among the ruins of royal palaces, Buddhist monasteries, and intricately carved stone temples. One of the highlights of Polonnaruwa is the Gal Vihara, a group of colossal Buddha statues carved directly into granite.

Welcome to Christchurch, a picturesque city with English heritage. Here, the new mixes with the old in enchanting ways, with edgy modern architecture and old buildings sitting side by side

Riomaggiore, a charming village in Italy's famed Cinque Terre, is a gem of the Ligurian coast. With its colorful houses cascading down steep cliffs towards the azure Mediterranean, this picturesque town offers a postcard-perfect escape. Founded in the 13th century, Riomaggiore is rich in history, with medieval churches like the Church of San Giovanni Battista, built in 1340, reflecting its ancient past.