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.

Freetown, the capital of Sierra Leone, is a city where history and daily life intertwine along the shores of the Atlantic. Founded in 1792 as a settlement for freed slaves from Britain and the Americas, it remains a place of cultural depth and resilience.

Cienfuegos, capital of Cienfuegos Province, is a city on the southern coast of Cuba. It is located about 160 miles from Havana and has a population of 150,000. The city is dubbed La Perla del Sur (Pearl of the South). Cienfuegos literally translates to "one hundred fires"—cien meaning "one hundred", fuegos meaning "fires".

Glendalough, located in County Wicklow, is one of Ireland’s most historically significant and visually striking valleys. It’s best known for its early medieval monastic site, founded by St. Kevin in the 6th century. The round tower, cathedral ruins, and stone churches that remain today are surrounded by forests, lakes, and mountain trails, creating a setting that feels both ancient and untouched.

New Orleans is unlike any other city in the United States. Founded in 1718, it carries layers of French, Spanish, African, and Caribbean influence that can be felt in everything from its architecture to its street music. The French Quarter, the oldest neighborhood in the city, is full of iron-laced balconies, gas lamps, and narrow streets that echo with the sounds of live jazz.