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.

The most heavily populated of the Hawaiian islands, Oahu is known as the Gathering Place. Two parallel mountain ranges, the Koolau Range and the Waianae Range, cross Oahu from northwest to southeast. . Among the many popular beaches is the renowned Waikiki, backed by the famous Diamond Head, an extinct volcano.

Dominica, known as the “Nature Island of the Caribbean,” is a haven for eco-tourists and adventure seekers. Nestled between the French islands of Guadeloupe and Martinique, this lush island boasts a remarkable landscape of volcanic mountains, dense rainforests, and stunning waterfalls. Dominica’s most iconic natural wonder is the Boiling Lake, the second-largest hot spring in the world.

Chetumal is the capital of the Mexican state of Quintana Roo, located near the border with Belize on the western side of Chetumal Bay. Unlike the large resort centers farther north on the Caribbean coast, the city functions primarily as a government, commercial, and cultural center.

Zaragoza stands on the banks of the Ebro River in northeastern Spain and serves as the capital of the Aragón region. The city is known for its mix of Roman remains, Islamic influences, Mudéjar architecture, and large Baroque landmarks.