Rio Dulce is a river region in eastern Guatemala that connects Lake Izabal to the Caribbean Sea. The area is centered around the town of Fronteras and the long waterway that cuts through tropical forest, limestone cliffs, and wetland habitats.

Leiden or Leyden, city in the western Netherlands, in Zuid-Holland (South Holland) Province, on the Old Rhine River, near The Hague. Leiden is also the site of the State University of Leiden, one of the oldest and most distinguished universities in Europe. It was the birthplace of several important Dutch painters, including Rembrandt, Jan van Goyen, and Jan Steen. During the 17th century the English settlers who became known as the Pilgrims took refuge in Leiden before leaving for North America.

St. Paul’s Bay is a coastal town in northern Malta that stretches around a broad, indented section of the island’s northeastern shoreline. The area includes the neighborhoods of Bugibba, Qawra, and the original fishing settlement around St. Paul’s Bay itself. Its waterfront combines rocky shores, small bathing areas, marinas, promenades, and commercial streets filled with cafés and restaurants.

New Haven, city in New Haven County, southern Connecticut, a port on Long Island Sound, at the mouth of the Quinnipiac River. It is known as an educational center and is the seat of Yale University (1701), Albertus Magnus College (1925), and Southern Connecticut State College (1893); the University of New Haven (1920) is in nearby West Haven.

Puerto Natales sits at the head of the Ultima Esperanza Sound in southern Chile, serving as the gateway to Patagonia’s dramatic landscapes.