Trebinje, the southernmost city in Bosnia and Herzegovina, sits just a short drive from the Adriatic coast but offers a completely different rhythm. Framed by hills and set along the Trebišnjica River, the city has a history stretching back to Roman times. The river that winds through the city is one of the longest sinking rivers in the world and often disappears underground and resurfaces in various places.

Denver, Colorado, known as the “Mile High City” for its elevation exactly 5,280 feet above sea level, offers far more than a mountain backdrop. It’s a city where old saloons, Victorian homes, and vintage brick warehouses sit beside sleek skyscrapers and buzzing food halls. While the nearby Rocky Mountains are visible from almost anywhere in the city, places like City Park and Washington Park offer wide green spaces right in town.

Kobe, Japan is a beautiful port city renowned for its historic shrines, botanical gardens, hot springs, and marbled Kobe beef. Highlights of this Japanese retreat include Ikuta Shrine, thought to be one of Japan's oldest Shinto shrines, Kobe Nunobiki Herb Botanical Gardens, Mount Rokkō, and Arima Onsen, a popular hot springs resort surrounded by Japanese maple trees.

Located in the vibrant blue waters of the Mediterranean Sea, Ajaccio is the capital of the island of Corsica and a popular resort destination. A port city often frequented by cruise ships and yachts,

Located in central Germany, Frankfurt is a vibrant cultural and economic hub nestled on the Main River. Museums and architectural gems abound in Frankfurt, from the Goethe House, to the picturesque timber houses of Römerberg town square, to the Museumsufer, a collection of museums lining the banks of the Main.