Puerto Rico, an unincorporated territory of the United States, is a Caribbean island rich in history, culture, and natural diversity. Its capital, San Juan, is a vibrant hub where centuries-old Spanish forts, pastel-colored colonial buildings, and lively plazas tell the story of the island’s complex past.

Turku, Finland’s oldest city, is a captivating blend of rich history and contemporary charm. Established in the early 13th century, Turku is renowned for its medieval architecture, including the majestic Turku Castle.

Kapaa, a coastal town on the east side of Kauai, offers a laid-back alternative to Hawaii’s more developed resort areas. Despite its small size, Kapaa is one of the most populated towns on the island, making it a central hub for exploring the Coconut Coast, a stretch of shoreline dotted with towering palms and scenic overlooks.

Nestled along the south bank of the Danube, this historical Austrian city bursts with charm. A favorite stop on European river cruises, the city's most famous attraction is Melk Abbey, which dates back to the 11th century. The original Benedictine structure was lost to fires and foreign invasion, then rebuilt during the 18th century in lavish Baroque style, including a library and inner church covered in magnificent frescoes and gilded fixtures.

Caernarfon, a town in northwest Wales, is famed for its medieval heritage, most notably Caernarfon Castle, a UNESCO World Heritage Site built by Edward I in the late 13th century.