Istanbul is a city built on layers of empire. Spanning two continents, it was once the capital of three major empires: Roman, Byzantine, and Ottoman. Visitors walking through the Sultanahmet district can witness this timeline firsthand, from the Roman-era Hippodrome to the Byzantine mosaics of Hagia Sophia, and the towering minarets of the Blue Mosque. At nearby Topkapi Palace, rooms still display the jeweled swords, ceremonial robes, and handwritten Qurans once used by Ottoman sultans.

Santa Marta, located on Colombia’s northern Caribbean coast, is one of the country’s oldest cities, founded in 1525. It has long served as a gateway between the coast and the Sierra Nevada de Santa Marta, the world’s highest coastal mountain range.

The Java Sea sits between the islands of Java, Sumatra, Borneo, and Sulawesi in Indonesia and is a destination rich in natural beauty, history, and vibrant cultures. This shallow sea is known for its stunning turquoise waters, pristine islands, and fascinating marine life.

Lao Cai, a gateway city to the northern highlands of Vietnam, offers an alluring blend of cultural diversity, breathtaking landscapes, and a touch of French colonial heritage. Situated along the Red River and bordering China, Lao Cai is the starting point for adventurers heading to the famous terraced rice fields of Sapa, but it has its own unique charms to discover.

Freetown, the capital of Sierra Leone, is a city where history and daily life intertwine along the shores of the Atlantic. Founded in 1792 as a settlement for freed slaves from Britain and the Americas, it remains a place of cultural depth and resilience.