Its legacy as the former imperial capital of Vietnam is just one of many reasons to visit Hue. For more than a century, the emperors of the Nguyen dynasty (1802-1945) ruled from the Forbidden Purple City, the innermost enclosure of the citadel. Today, this complex is designated as a UNESCO World Heritage site and draws millions of visitors each year.

Atlantic City, New Jersey is more than bright casinos and lively boardwalk, it’s a coastal city with stories stretching back over 150 years. Once a fashionable 19th-century resort town, Atlantic City introduced the first boardwalk in the United States in 1870. Today, it remains the city’s centerpiece, stretching over 5 miles along the beach, lined with shops, arcades, and a mix of vintage charm and modern attractions.

Oklahoma City stands at the crossroads of Western tradition and modern energy. It’s a place where cowboy boots walk into sleek coffee shops, and horse shows take place just a few miles from contemporary art galleries. A good starting point is the National Cowboy & Western Heritage Museum, home to one of the largest collections of Western art and artifacts in the world.

Seen from the train, Durham presents a magnificent sight, with cathedral and castle perched atop a bluff enclosed by a loop of the River Wera, and linked to the suburbs by a series of sturdy bridges.

Lugano, tucked into Switzerland’s Italian-speaking Ticino region, blends Mediterranean flair with Alpine elegance. The city sits on the northern shore of Lake Lugano, its pastel-colored villas and palm-lined promenades framed by surrounding mountains such as Monte Brè and Monte San Salvatore.