Speyer, located in the Rhineland-Palatinate region of Germany, is a city rich in history and culture. One of its most notable landmarks is the Speyer Cathedral, a UNESCO World Heritage Site and one of the largest Romanesque churches in the world.

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.

Amalfi, Italy, is a gem nestled along the world-famous Amalfi Coast, where dramatic cliffs meet the shimmering Mediterranean Sea. This enchanting town, once a powerful maritime republic, is now a beloved destination for those seeking a blend of history, culture, and breathtaking natural beauty. The heart of Amalfi is its bustling Piazza del Duomo, dominated by the stunning Amalfi Cathedral.

Whether cruising along its waters, exploring historic towns, or simply soaking in the scenic views, the Rhine River offers an experience that is as diverse as the countries it passes through.

Puerto Rico, an unincorporated territory of the United States, is a Caribbean island rich in history, culture, and natural diversity. Its capital, San Juan, is a vibrant hub where centuries-old Spanish forts, pastel-colored colonial buildings, and lively plazas tell the story of the island’s complex past.