Oceanside is a coastal city in Southern California, located in San Diego County where the Pacific Ocean meets the northern edge of the county. Its waterfront is centered on a long sandy beach, a historic wooden pier, and a working harbor, while neighborhoods extend inland toward the foothills. Oceanside has a distinctly maritime setting, with beaches and harbor facilities alongside a compact downtown containing restaurants, galleries, shops, and cultural venues.

Columbus, city and seat of Muscogee County, western Georgia, a port at the head of the Chattahoochee River, opposite Phenix City, Alabama. Columbus is a regional transportation, trade, cultural, and manufacturing hub. Its many textile, food-processing, and metalworking industries are powered by hydroelectric plants on the Chattahoochee River.

Karlskrona is a coastal city in southeastern Sweden, spread across islands and peninsulas in the Blekinge archipelago. Founded as a naval base, it was carefully planned around the needs of Sweden’s fleet, and its historic naval environment remains central to the city’s identity. The central island of Trossö contains the main urban district, while nearby islands and waterfronts provide a close connection to the Baltic Sea.

Tunis' white-washed, blue-shuttered buildings hide a treasure trove of Arabic and Ottoman art. Inspect illuminated manuscripts from the Koran, follow the twists and turns of the fascinating old Medina (inner city), marvel at the ornate Palace of Dar Ben Abduallah and the magnificent Djamaa-Ez-Zitouna Mosque, whose 184 columns were "recycled" from the rocky ruins of Carthage.

Hakata-ku, a central ward of Fukuoka City in Japan’s Kyushu region, is a lively blend of history, commerce, and culture. Once an independent merchant town, Hakata played a major role in Japan’s early international trade with China and Korea, shaping its cosmopolitan identity.