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.

Famed throughout Asia for its heady mix of eastern cultures, Penang Island is Malaysia’s prime melting pot. Roadside vendors serve some of the world’s best street food; its national parks offer white-sand beaches and wildlife; and UNESCO-listed George Town is full of colorful heritage houses.

Having survived thousands of years of successive civilizations from the Egyptians, Greco-Romans, Muslims, Crusaders, Mongols, Ottomans and French to the modern Arab era, Damascus is one of the most resilient and historic cities on Earth. Its ruins lay up to 8 feet deep under its surface and the Old City is home to Roman era ramparts, gates, the Umayyad Mosque and legendary churches including the Chapel of St. Paul. Bab Sharqi and the Souk Medhat Pasha lay on a street dating to biblical times.

Tallinn's atmospheric Old Town is an enthralling hotchpotch of medieval streets and spires. It's a small city, and the tourist areas are safe and easily explored on foot. Buy a Tallinn Card if you intend to use buses, trolleybuses or trams. For a look into Tallinn's past, visit Rocca-al-Mare Open Air Museum's typical rural Estonian taverns, windmills and watermills, see the onion-domed 1900 cathedral or join the bustle in historic Town Hall Square. St Olav's spire was once the tallest in the world.

From Hannover’s atmospheric old town, filled with reconstructed half-timbered buildings and terrace cafes, to its baroque gardens and vast urban lake, this booming city has much more to offer than its industrial reputation suggests.

From Shoreditch’s swaggering style to Camden’s punky vibe and chic Portobello Road, London is many worlds in one. The city’s energy means that no two days are the same. Explore royal or historic sites, tick off landmarks from your bucket list, eat and drink in exclusive Michelin-starred restaurants, enjoy a pint in a traditional pub, or get lost down winding cobbled streets and see what you stumble across – when it comes to London, the possibilities are endless.