Zacatecas, built into the slopes of a narrow ravine in north-central Mexico, is a city with a deep mining past and a striking skyline. The historic center, a UNESCO World Heritage Site, is known for its pink cantera stone buildings, narrow alleys, and impressive baroque facades. The Cathedral Basilica of Zacatecas, completed in 1752, stands as one of the most detailed examples of Mexican baroque architecture, with hundreds of carved figures covering its sandstone exterior.

Vientiane, the capital of Laos, lies along the banks of the Mekong River and blends a relaxed urban pace with rich cultural heritage. The city’s streets are lined with French colonial buildings, Buddhist temples, and local markets, reflecting its history as both a trading hub and a spiritual center.

Londonderry, often called Derry, is a city steeped in history and charm, uniquely surrounded by remarkably well-preserved 17th-century walls. In fact, it holds the title of being the only completely walled city in all of Ireland. Strolling along these ancient ramparts offers visitors not only a glimpse into the past but also breathtaking panoramic views of the winding River Foyle and the lively streets below.

Colorado, a gem nestled in the Rocky Mountains of the United States, offers a diverse array of experiences that cater to outdoor enthusiasts, culture seekers, and history buffs alike. The state's stunning landscapes range from the snow-capped peaks of the Rockies to the vibrant red rock formations of the Colorado Plateau.

Situated on the shore of Lake Titicaca, Puno is referred to as the folkloric capital of Peru due to its artistic and cultural expressions, particularly dance. Notable landmarks include the Andean baroque-style Puno Cathedral and the Yavari, a 19th-century steamship. Products created from alpaca, llama, or sheep wool are a signature of the area, as well as musical instruments like the siku.