Lagos, Nigeria’s largest city and economic hub, is located on the country’s southwestern coast along the Atlantic Ocean. It is a bustling metropolis where modern skyscrapers and commercial centers meet historic neighborhoods and lively markets.

Charlotte Bay is best known for its combination of glacial scenery and marine wildlife. The surrounding mountains descend toward heavily glaciated coastlines, while the bay itself can contain floating sea ice and icebergs of varying sizes. Whales are regularly encountered in the waters of the Antarctic Peninsula, and seals may also be seen around ice and along the shoreline.

Sighisoara rises above the Târnava Mare River as one of the few medieval citadels in Europe that is still lived in and admired today. Its historic center has been on the UNESCO World Heritage List since 1999, recognized for its long history as a fortified Saxon settlement and its role in trade and defense on the edges of central Europe. Wander through cobbled alleys framed by pastel-colored houses, and the layers of time feel close at hand, from the city walls and guild towers to busy cafés.

Located in Pennsylvania, Pittsburgh is one of the oldest cities in the nation.

Bergamo, in northern Italy’s Lombardy region, is a city of striking contrasts, divided into the historic upper town and the modern lower town. The upper town, perched on a hill and encircled by Venetian walls, offers cobblestone streets, medieval architecture, and panoramic views over the surrounding plains and the distant Alps.