If you find yourself in Rotterdam, there's a strong chance you've arrived by water. This popular port city (the second largest in the Netherlands) has gone through an architectural renaissance since World War II, with daring, innovative structures dotting the city (cube houses!) and defining its skyline. Café culture is on the rise here, so grab yourself a table and a cup.

Bergamo, in northern Italy’s Lombardy region, is a city of striking contrasts, divided into the historic upper town and the modern lower town. The upper town, perched on a hill and encircled by Venetian walls, offers cobblestone streets, medieval architecture, and panoramic views over the surrounding plains and the distant Alps.

Santander, the capital of Spain’s Cantabria region, sits along the Bay of Biscay and offers travelers a mix of coastline, culture, and history shaped by centuries of maritime life. Once a bustling port for Castilian exports, Santander saw its golden age in the 19th century when Spanish royalty turned it into a summer retreat. The legacy of that era remains visible at the Palacio de la Magdalena, perched on a peninsula with views of the sea and home to royal stables, a mini zoo, and guided tours.

Salerno, nestled along Italy's stunning Amalfi Coast, offers a captivating blend of history, culture, and Mediterranean charm. As a gateway to the Amalfi Coast, Salerno's historic center features delightful streets and architectural gems.

Phuket, Thailand’s largest island, has long served as a cultural and trade crossroads in the Andaman Sea. Centuries ago, it was a stopover for merchants trading tin, spices, and textiles, with influences from Chinese, Portuguese, Indian, and Malay travelers still reflected in the island’s architecture and cuisine. Inland, the Khao Phra Thaeo Wildlife Sanctuary protects rainforest habitat home to gibbons, civets, and exotic birds.