Potsdam, the capital of Germany’s Brandenburg state, lies just southwest of Berlin and is best known for its grand palaces, landscaped gardens, and role as a seat of Prussian royalty.

Izamal, located in the heart of Yucatán, stands out as a city where centuries of history are layered in plain sight. Known as the “City of Three Cultures,” it combines ancient Maya ruins, Spanish colonial architecture, and modern-day Yucatecan life. One of the most striking features of Izamal is its golden-yellow buildings, painted this distinctive color in honor of Pope John Paul II’s visit in 1993.

Anuradhapura, located in Sri Lanka’s North Central Province, is one of the oldest continuously inhabited cities in the world. It served as the island’s capital for more than a millennium, beginning in the 4th century BCE. Today, its vast archaeological complex spans several square kilometers and includes some of South Asia’s most significant Buddhist monuments.

Písek, a picturesque city in the South Bohemian Region of the Czech Republic, is a hidden gem steeped in history and charm. One of its most notable landmarks is the Písek Stone Bridge, the oldest preserved bridge in the country. Built in the 13th century, this Gothic bridge spans the Otava River and is a testament to medieval engineering.

From the rugged highlands and volcanic plateaus to the lowland deserts and the Great Rift Valley, Ethiopia's terrain is as varied as it is dramatic.