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.

York, England, is a city where over 2,000 years of history comes to life. Originally founded by the Romans in 71 AD as Eboracum, York has witnessed the rise and fall of empires, from the Vikings to the Normans. Today, the city retains its medieval charm, with its historic York Minster, one of the largest Gothic cathedrals in Northern Europe, standing proudly as its centerpiece.

Situated on the Isthmus of Panama, the tropical Republic of Panama is of course best known for its canal. Thousands of ships cruise through the Panama Canal locks each year. Visitors to the country will also find diverse wonders of nature, including plants, birds, and trees. Panama City, its capital, has over a million inhabitants and is a modern, bustling destination.

Essaouira, a charming coastal city in Morocco, offers an enchanting blend of history, culture, and natural beauty. Nestled on the Atlantic coast, Essaouira is renowned for its well-preserved medina, a UNESCO World Heritage Site, featuring a labyrinth of narrow alleys, whitewashed buildings, and vibrant blue shutters. This historic port city boasts impressive ramparts, including the iconic Skala de la Ville, which offers panoramic views of the ocean and the bustling harbor.

Yokohama, Japan's vibrant port city, offers a delightful blend of historical charm and modern excitement. Located just a short train ride from Tokyo, Yokohama is renowned for its picturesque waterfront and cultural attractions.