Arequipa, known as the "White City," is built from sillar, a pale volcanic stone that glows in the sunlight. This architectural detail gives the historic center its striking appearance and has earned it recognition as a UNESCO World Heritage Site. Towering above the city is the perfectly symmetrical Misti Volcano, which, along with two neighboring peaks, forms a dramatic backdrop.

Portland, Oregon, is a city where natural beauty and urban innovation coexist harmoniously. Nestled between the Columbia and Willamette Rivers and framed by volcanic mountains, Portland offers an array of outdoor adventures alongside its renowned cultural scene. Visitors can explore the lush expanses of Forest Park, one of the largest urban forests in the U.S., or take a leisurely stroll through the Portland Japanese Garden, which showcases exquisite traditional Japanese landscape design.

Death Valley, California, is a land of extremes that captures the imagination with its striking desert landscapes and surreal beauty. Located in the Mojave Desert, it is the hottest, driest, and lowest national park in the United States. Visitors are drawn to its iconic features, such as the vast salt flats of Badwater Basin, which at 282 feet below sea level, mark the lowest point in North America.

Gdańsk, a vibrant port city on Poland's Baltic coast, is a hidden gem that seamlessly blends rich history with modern charm. As the largest city in northern Poland, Gdańsk has a unique identity shaped by centuries of trade, political turmoil, and cultural exchange. The city's Old Town is a feast for the eyes, with its beautifully reconstructed buildings that harken back to its Hanseatic glory days.

Originating as a tiny fishing village in 1038, modern Kehl has become an important link between Germany and France. Rhine River cruises most often use Kehl as their gateway to the much larger and better-known Strasbourg. The savvy traveler, though, might choose to skip the jaunt across the river and enjoy many similar sights, shopping and cuisine as those offered in the teeming French city.