Saint Augustine, Florida, is a charming tapestry of history and coastal beauty. As the oldest continuously inhabited European-established settlement in the continental United States, this historic city offers a fascinating glimpse into early American life. Founded by Spanish explorers in 1565, Saint Augustine boasts an array of colonial architecture and historic landmarks.

San Sebastián, or Donostia, is a gem nestled on Spain's northern coast, renowned for its stunning beaches, world-class cuisine, and vibrant cultural scene. With its picturesque bay, La Concha, often ranked among the world's most beautiful city beaches, this Basque city offers a perfect blend of natural beauty and urban sophistication.

Bulgaria is a republic in southeastern Europe. The capital and largest city is Sofiya. Bulgarian culture has been influenced successively by Byzantine, Greek, Russian, and Western cultures.

The Yangtze River, a magnificent artery of China, stretches over 6,300 kilometers (3,917 miles) from the Tibetan Plateau to the East China Sea. As the longest river in Asia and the third longest in the world, it weaves through breathtaking landscapes and vibrant cities, making it a prime destination for travelers seeking both adventure and cultural immersion.

Perched on the cliffs of Italy's Amalfi Coast, Positano is a picturesque haven renowned for its dramatic beauty and charming character. This coastal gem is celebrated for its colorful, cascading buildings that cling to the steep hillsides, offering stunning views of the turquoise waters of the Tyrrhenian Sea. The town’s narrow, winding streets are lined with boutique shops, cafes, and restaurants, inviting visitors to explore its vibrant atmosphere.