Hue is clustered around the Perfume River, which splits the capital of the Nguyễn Dynasty in two. There are endless must-see historic sites, especially those that are UNESCO World Heritage designated. Sightseeing can include the ornate Imperial Citadel, colorful Thanh Toan Bridge, royal tombs and the Forbidden Purple City. Spend a moment in quiet contemplation if you visit Hue Jungle Crevice, where thousands of citizens were pushed to their deaths.

Da Nang is laid-back and friendly, maybe because everyone you meet has just finished an amazing meal. Culinary tours are a hugely popular way to experience literal local flavor. After you’ve stuffed yourself with bold noodle soups and savory street foods, walk it off by exploring the limestone caves and Buddhist grottos of the Marble Mountains.

On the Turkish Riviera, traditional fishing villages such as †agiz nestle alongside the modern resort destinations of Marmaris and Antalya. Unspoiled yellow sandy beaches and pine forests line this history-rich coast whose illustrious former residents include St Paul. Buses make easy connections between the coves, castles and cities beside the turquoise waters of what the Turks call the "White Sea". Don't miss the awe-inspiring eternal fires of Chimaera at Olympos - most impressive at night.

Palaces and parkland abound in the Polish capital. Public transport - buses, metro, trams and trolley buses - make it accessible. See the city spread before you from the monumental Palace of Culture and Science. Visit the Royal Castle and the Gothic, cobbled alleys and baroque palaces of the Old Town - destroyed by German troops but now masterfully reconstructed. The Old Town sights include the moving Uprising Monument and lovely Krasinski gardens. Walk the Royal Way to see the best of Warsaw.

Ringed by ski resorts and forested parks, there’s a sport for every season in Grenoble, the self-proclaimed Capital of the Alps. Culture seekers will find plenty to explore in the university town’s urban centre, where art galleries and museums hug the banks of the Isère River.