The Mole: Undercover in North Korea Filming Locations

Copenhagen, Denmark’s capital, sits on the coastal islands of Zealand and Amager. It’s linked to Malmo in southern Sweden by the Öresund Bridge. Indre By, the city's historic center, contains Frederiksstaden, an 18th-century rococo district, home to the royal family’s Amalienborg Palace. Nearby is Christiansborg Palace and the Renaissance-era Rosenborg Castle, surrounded by gardens and home to the crown jewels.

Barcelona, the cosmopolitan capital of Spain’s Catalonia region, is known for its art and architecture. The fantastical Sagrada Família church and other modernist landmarks designed by Antoni Gaudí dot the city. Museu Picasso and Fundació Joan Miró feature modern art by their namesakes. City history museum MUHBA, includes several Roman archaeological sites.

Amman, the capital of Jordan, is a modern city with numerous ancient ruins. Atop Jabal al-Qala’a hill, the historic Citadel includes the pillars of the Roman Temple of Hercules and the 8th-century Umayyad Palace complex, known for its grand dome. Built into a different downtown hillside, the Roman Theater is a 6,000-capacity, 2nd-century stone amphitheater offering occasional events.

London, the capital of England and the United Kingdom, is a 21st-century city with history stretching back to Roman times. At its centre stand the imposing Houses of Parliament, the iconic ‘Big Ben’ clock tower and Westminster Abbey, site of British monarch coronations. Across the Thames River, the London Eye observation wheel provides panoramic views of the South Bank cultural complex, and the entire city.

Brussels is Belgium’s capital and home to the European Union headquarters. The Grand-Place square at the heart of the city has shops and cafes inside ornate 17th-century guildhouses, and the intricate Gothic Hôtel de Ville (town hall) with a distinctive bell tower. The 19th-century Maison du Roi houses the Musée de la Ville de Bruxelles city-history museum, including costumes for the city’s famed Manneken Pis statue.

Cologne, a 2,000-year-old city spanning the Rhine River in western Germany, is the region’s cultural hub. A landmark of High Gothic architecture set amid reconstructed old town, the twin-spired Cologne Cathedral is also known for its gilded medieval reliquary and sweeping river views. The adjacent Museum Ludwig showcases 20th-century art, including many masterpieces by Picasso, and the Romano-Germanic Museum houses Roman antiquities.

Tarragona is a port city in northeastern Spain’s Catalonia region. Many ancient ruins remain from its time as the Roman colony of Tarraco. The Amfiteatre Romà is a 2nd-century arena facing the Mediterranean, the Necropolis contains Roman tombs, and traces of the Forum stand among the alleys of the walled, medieval Old Town. A walkway along the ramparts, the Passeig Arqueològic, has sweeping views of the city.

Oslo, the capital of Norway, sits on the country’s southern coast at the head of the Oslofjord. It’s known for its green spaces and museums. Many of these are on the Bygdøy Peninsula, including the waterside Norwegian Maritime Museum and the Viking Ship Museum, with Viking ships from the 9th century. The Holmenkollbakken is a ski-jumping hill with panoramic views of the fjord. It also has a ski museum.

Dublin, capital of the Republic of Ireland, is on Ireland’s east coast at the mouth of the River Liffey. Its historic buildings include Dublin Castle, dating to the 13th century, and imposing St Patrick’s Cathedral, founded in 1191. City parks include landscaped St Stephen’s Green and huge Phoenix Park, containing Dublin Zoo. The National Museum of Ireland explores Irish heritage and culture.

Madrid, Spain's central capital, is a city of elegant boulevards and expansive, manicured parks such as the Buen Retiro. It’s renowned for its rich repositories of European art, including the Prado Museum’s works by Goya, Velázquez and other Spanish masters. The heart of old Hapsburg Madrid is the portico-lined Plaza Mayor, and nearby is the baroque Royal Palace and Armory, displaying historic weaponry.

Washington, DC, the U.S. capital, is a compact city on the Potomac River, bordering the states of Maryland and Virginia. It’s defined by imposing neoclassical monuments and buildings – including the iconic ones that house the federal government’s 3 branches: the Capitol, White House and Supreme Court. It's also home to iconic museums and performing-arts venues such as the Kennedy Center.

Kampala is Uganda's national and commercial capital bordering Lake Victoria, Africa's largest lake. Hills covered with red-tile villas and trees surround an urban centre of contemporary skyscrapers. In this downtown area, the Uganda Museum explores the country's tribal heritage through an extensive collection of artefacts. On nearby Mengo Hill is Lubiri Palace, the former seat of the Buganda Kingdom.

Stockholm, the capital of Sweden, encompasses 14 islands and more than 50 bridges on an extensive Baltic Sea archipelago. The cobblestone streets and ochre-colored buildings of Gamla Stan (the old town) are home to the 13th-century Storkyrkan Cathedral, the Kungliga Slottet Royal Palace and the Nobel Museum, which focuses on the Nobel Prize. Ferries and sightseeing boats shuttle passengers between the islands.

Beijing, China’s sprawling capital, has history stretching back 3 millennia. Yet it’s known as much for modern architecture as its ancient sites such as the grand Forbidden City complex, the imperial palace during the Ming and Qing dynasties. Nearby, the massive Tiananmen Square pedestrian plaza is the site of Mao Zedong’s mausoleum and the National Museum of China, displaying a vast collection of cultural relics.

Phnom Penh, Cambodia’s busy capital, sits at the junction of the Mekong and Tonlé Sap rivers. It was a hub for both the Khmer Empire and French colonialists. On its walkable riverfront, lined with parks, restaurants and bars, are the ornate Royal Palace, Silver Pagoda and the National Museum, displaying artifacts from around the country. At the city’s heart is the massive, art deco Central Market.