Ayutthaya, located about 80 kilometers north of Bangkok, Thailand, was the capital of the Ayutthaya Kingdom from the 14th to the 18th century. Its ruins, set among rivers and canals, reveal a once-thriving city that was a hub of trade, politics, and culture, linking Southeast Asia with China, India, and Europe.

Sitka is accessible only by air or sea, giving visitors a real taste of this wild frontier. Sitka offers incredible scenery, fishing, hiking, and abundant wildlife. 22 of Sitka's buildings and monuments appear in the National Register of Historic Places.

Watamu, located on Kenya’s picturesque coast, is a paradise for beach lovers and nature enthusiasts alike. Renowned for its pristine white-sand beaches and turquoise waters, Watamu is part of the Watamu Marine National Park, a protected area known for its vibrant coral reefs and rich marine biodiversity. The park is a haven for snorkeling and diving, with opportunities to see colorful fish, sea turtles, and even dolphins.

Puerto Viejo de Talamanca, on Costa Rica’s southern Caribbean coast, is a lively seaside town where Afro-Caribbean culture, indigenous traditions, and tropical landscapes come together. Once a quiet fishing village, it is now known for its reggae rhythms, colorful wooden houses, and a laid-back atmosphere.

Heidelberg, located along the scenic banks of the Neckar River in southwestern Germany, is a city steeped in history, culture, and charm. Known for its prestigious university, which is one of the oldest in Europe, the city draws visitors with its picturesque old town, medieval architecture, and vibrant academic atmosphere.