From grand castles to resplendent cathedrals, Tallinn’s Old Town neighborhood, a UNESCO World Heritage Site, is the perfect place to begin exploring. Enter through Viru Väravad, or Viru Gate, the former fortress whose remaining two towers beckon you into the heart of the city.

This city in the Rhine Gorge is known for its winemaking, dramatic landscapes and 15-minute cable car ride to the Niederwald Monument (celebrating the German victory over France in 1871).

Bangladesh, set in the heart of South Asia, is known for its lush greenery and waterways. It is often described as the “land of rivers,” with the Ganges, Brahmaputra, and Meghna weaving through its landscapes.

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.

Tbilisi, the capital of Georgia, is a city where tradition and modern life blend seamlessly. Set along the banks of the Kura River and surrounded by hills, its layout reflects centuries of change and cultural exchange. The Old Town, with its cobbled lanes and wooden balconies, is a living museum of architecture, showcasing influences from Persian, Ottoman, and Russian eras. Above it all, the Narikala Fortress stands watch, offering sweeping views of the city below.