San Juan, Puerto Rico’s capital, is a city where cobblestone streets lead to centuries-old forts and pastel-colored buildings overlook the Atlantic. The district of Old San Juan is a UNESCO World Heritage Site, known for its Spanish colonial architecture and thick stone walls that once defended the city from pirates and naval attacks. The city hosts regular events such as La Campechada, which celebrates Puerto Rican art and literature with live performances and open-air exhibits.

Alicante, a captivating coastal city on Spain’s Costa Blanca, enchants visitors with its blend of rich history, Mediterranean charm, and vibrant nightlife. Dominated by the impressive Santa Bárbara Castle perched on Mount Benacantil, the city offers sweeping views of the turquoise Mediterranean Sea and the bustling streets below.

Takayama, located in Japan’s mountainous Gifu Prefecture, is a city where traditional culture and natural beauty are remarkably well preserved.

Krujë sits on a rocky hilltop above central Albania and has long been a symbol of the country’s history and independence. At Krujë Castle ancient stone walls rise above the town and offer striking views of the surrounding hills and valleys, and inside the fortress visitors find the Skanderbeg Museum, where armor, documents and displays recount the life and battles of Albania’s national hero.

Moulay Idriss sits on twin hills in northern Morocco, revered as one of the country’s most important spiritual centers.