New Castle, Delaware, is a hidden gem for history lovers and anyone seeking a picturesque, colonial-era experience along the Delaware River. Founded in 1651 by the Dutch, New Castle boasts an impressive collection of well-preserved 17th and 18th-century buildings that tell the story of early American history.

Saint John is a historic port city on the Bay of Fundy in southern New Brunswick, built around a rugged harbour where the Saint John River meets the sea. Its waterfront, steep streets, and compact historic districts reflect a long connection with shipping, shipbuilding, fishing, and trade.

Peso da Régua, often called the gateway to Portugal's Douro Valley, sits along the banks of the Douro River and is surrounded by steep, terraced vineyards. The town has long been central to the production of the world-famous Port wine, and visitors can explore the rolling hills covered with neatly arranged grapevines that climb dramatically from the river’s edge. The town itself offers a quiet riverside charm, with narrow streets, historic buildings, and scenic viewpoints.

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.

Santa Ana is a major city in western El Salvador, known for its historic center, grand public buildings, and location near several of the country's volcanic and lake landscapes. The city developed around Parque Libertad, where the distinctive Cathedral of Santa Ana stands alongside the Municipal Palace and National Theater.