Cagliari is Sardinia's capital and largest city. Several civilizations have left their imprint here architecturally and culturally. Must-sees include the Museo Archeologico Nazionale di Cagliari, with its Roman and Byzantine treasures, as well as Castello, a medieval quarter situated on a hill above the city. The city is also known for its food and vibrant nightlife.

Situated on the shore of Lake Titicaca, Puno is referred to as the folkloric capital of Peru due to its artistic and cultural expressions, particularly dance. Notable landmarks include the Andean baroque-style Puno Cathedral and the Yavari, a 19th-century steamship. Products created from alpaca, llama, or sheep wool are a signature of the area, as well as musical instruments like the siku.

Stonehenge, one of the world's most iconic prehistoric monuments, stands proudly on the Salisbury Plain in Wiltshire, England. This enigmatic stone circle, believed to have been constructed between 3000 BC and 2000 BC, has captivated archaeologists, historians, and travelers alike for centuries.

Pennsylvania has an impressive history and boasts walkable cities with a modern touch, lush forests, and charming small towns. Attractions in the state include Hersheypark, the Philadelphia Museum of Art, the Liberty Bell, and the horticulturally rich Longwood Gardens.

Welcome to Nairobi, safari capital and the largest city in Kenya. At one time a simple hydration spot for the Maasai, this high-energy East African city now strikes a balance between the cosmopolitan and the natural. In its adjacent Nairobi National Park, visitors will see lions, zebras, giraffes and rare black rhinos.