Aarhus, Denmark's second-largest city, offers a captivating blend of historical charm and modern vibrancy. Founded in the 8th century, Aarhus boasts a rich history that visitors can explore at the Old Town Museum, an open-air museum that recreates Danish life through the ages with its historical buildings and interactive exhibits. The city's medieval roots are also visible in the well-preserved Aarhus Cathedral.

There's plenty to explore and savor in this vibrant paradise on the Caribbean Sea, including numerous beaches, an assortment of water sports, and plenty of delicious eats and cocktails.

Lucca, a Tuscan city surrounded by remarkably intact Renaissance walls, offers more than just postcard views. Known for its quiet streets and grand piazzas, Lucca stands apart with its circular street layout, still following the lines of a Roman amphitheater from centuries ago. The walls, now repurposed as a 4-kilometer tree-lined park, are a favorite route for locals and visitors who explore them on foot or by bike, passing old bastions and panoramic viewpoints along the way.

Stretching 277 miles in length and more than a mile deep, this vast canyon reveals layers of geologic time stacked like pages in a book. Standing on the South Rim, visitors can look out over colorful cliffs and winding trails that have drawn explorers, artists, and travelers for generations. The views change with the light starting with crimson at sunrise, golden at sunset, and every hue in between.

Longyearbyen, the northernmost settlement of its size in the world, offers a unique and captivating experience in the Arctic archipelago of Svalbard, Norway. Nestled between icy peaks and sprawling glaciers, this remote town is a gateway to exploring the rugged beauty of the Arctic landscape.