Tripoli, the capital city of Libya, sits on the country’s Mediterranean coast and serves as its political, economic, and cultural center.

Karlstad, Sweden, is a city that elegantly combines natural beauty with cultural charm. Situated on the banks of Lake Vänern, Sweden’s largest lake, Karlstad is renowned for its picturesque waterfront and abundant sunshine. The city’s Värmlands Museum provides an enriching experience with its exhibits on local history, art, and the region's unique cultural heritage.

The capital of Crete, Heraklion is a Greek port city and a popular stop on Mediterranean and Greek cruises. The city is an historical marvel, replete with archaeological wonders and remnants of the region's past. Highlights include the Heraklion Archaeological Museum, the Rocca a Mare Fortress, the Venetian Loggia, and just past the city limits, the Palace of Knossos.

Philadelphia, the birthplace of American democracy, offers visitors a rare opportunity to walk through the very streets where the nation’s founding ideals were debated, signed, and set into motion. The city's art scene is as bold as its history. The Philadelphia Museum of Art is home to works by Van Gogh, Duchamp, and an entire Japanese teahouse, but it might be better known for the "Rocky Steps" out front, where visitors recreate the famous movie scene daily.

Barranquilla sits near the mouth of the Magdalena River on Columbia's Caribbean side. It is a major seaport and a center of commerce, but everyone breaks loose for four days in February for one of the liveliest carnivals outside of Rio.