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.

Puebla, a city nestled in the heart of Mexico, is a captivating blend of colonial charm, vibrant culture, and rich history. Known as the "City of Angels," Puebla's well-preserved historic center is a UNESCO World Heritage site, filled with stunning baroque architecture, colorful tiled buildings, and bustling markets. Puebla is also a haven for food lovers, celebrated as the birthplace of some of Mexico’s most iconic dishes.

The capital city of the Dominican Republic is rich in history and beauty, boasting 16th-century Spanish architecture and the oldest cathedral in the Americas. The narrow streets of the old colonial city are a testament to the complex mixture of forces that contributed to the construction of the first European city in the Western Hemisphere.

Tucked away in the heart of the Pacific Ocean, Nauru is one of the world’s smallest and least visited countries being an island nation just 21 square kilometers in size, with a population under 10,000. But its compact size makes exploring simple and rewarding. Visitors can circle the entire island by car in under an hour, taking in stunning ocean views, remnants of World War II bunkers, and clusters of colorful homes that speak to Nauru's resilient spirit and layered past.

Inveraray, a small town on the western shore of Loch Fyne in Argyll and Bute, Scotland, offers visitors a glimpse into 18th-century planning and Highland heritage. Built largely in the mid-1700s under the direction of the 3rd Duke of Argyll, the town features Georgian architecture, wide streets, and an unusual level of symmetry for a rural Scottish settlement. The main street, lined with whitewashed buildings, leads down to the loch’s edge, where fishing boats and leisure vessels come and go.