An expansive beach resort on Bulgaria's Black Sea coast, lively Sunny beach appeals to young international travellers for its sand dunes, watersports, and thrumming nightlife. Clubs and bars draw crowds of merrymakers, while an amusement and water park offer daytime entertainment.

Mamaia is a popular beach resort on the coast of the Romanian Black Sea. The fine white sand beaches are unusual for this part of the world, so tourists flock here during the summer months for a tropical experience that’s close to home. Crush Beach is great for people-watching and water spots. At night, the area throbs with club goers and beautiful party people.

This Tuscan hill town will transport you back to the Middle Ages. Siena's grand cathedral, built in the 1200s, has treasured artworks and marvellous marble floors. The Piazza del Campo, the main town square, is a UNESCO World Heritage Site. It's also home to the Palio, perhaps the most infamous horserace in the world. No goofy hats and mint juleps here—this is a mediaeval tradition involving bareback riders racing on cobblestones (so as you might imagine, it's quite dangerous). Siena is an easy daytrip by train from Florence, just 43 miles away.

The largest city in Switzerland is a major contemporary art and shopping destination. Important artworks are displayed in the Kunsthaus and the Rietberg Museum. Those who consider shopping an art can hone their skills along Bahnhofstrasse and Niederdorf. Chagall's stained-glass windows in the Fraumünster amaze. Zurich's 500 clubs and bars, including several in swimming pools, pulse with life till the early hours. This city on Lake Zurich has excellent public transport and a free bike-hire system.

When 13th-century Portuguese Queen Isabel passed through Obidos and marveled at its beauty, her husband King Denis I simply gave it to her. For centuries after, the kings of Portugal followed suit, presenting the picturesque little town to their queens as a wedding gift. With its white buildings shining as brightly now as then, the walled city of Obidos is very popular with tourists, its hillside location offering amazing views of the Estremadura area. The medieval castle is a main attraction.

Serving as the capital of Pakistan since the Sixties, Islamabad was built according to a carefully organized plan, divided into sectors along a grid of clean, tree-lined streets. The city is sheltered by the Margalla Hills, the foothills of the Himalayas and the home of rare species of leopard, deer, birds, and even porcupines. Several hiking paths end at Daman-e-Koh, a picnic spot with a splendid view of the entire city, including the massive modernist Faisal Mosque and even the Rawal Dam.

Nepal's capital is situated in a valley full of historic sites, ancient temples and shrines, golden pagodas and fascinating villages. Hotels, bars and restaurants cater to all budgets. Shops offer handicrafts, carpets and Nepali paper prints. Bus services, taxis and bicycles open up the city. Trek to see the Monkey Temple, the valley's oldest and most sacred shrine. Mingle with locals and animals amid Durbar Square's monuments and temples, or join mountain trekkers in the bustling Thamel District.

Bangkok is full of exquisitely decorated Buddhist temples—as you go from one to the next you’ll be continually blown away by the craftsmanship and elabourate details. But if you’d rather seek enlightenment in a gourmet meal, or dance the night away, you’ll also enjoy Bangkok—the restaurant and nightclub scenes here are among the best in the world.