La Paz, Bolivia’s seat of government, is one of the world’s highest capital cities, dramatically set in a deep canyon carved by the Choqueyapu River. Founded in 1548 atop an important Indigenous settlement, the city has long been a crossroads of Andean cultures, colonial history, and modern political life.

Silistra, a charming city located on the southern bank of the lower Danube River in Bulgaria, is a hidden gem that seamlessly blends ancient history with natural beauty. Founded by the Romans as Durostorum, Silistra is one of Bulgaria’s oldest cities, offering a wealth of historical sites that transport visitors back to the Roman Empire. The Silistra Roman Tomb, with its well-preserved frescoes, stands as a testament to the city’s rich past and is a must-visit for history enthusiasts.

Las Vegas, Nevada, is an electrifying city where glitz and glamour meet entertainment and excitement. Known as "The Entertainment Capital of the World," Las Vegas offers an unparalleled array of attractions, from its iconic casinos and luxurious hotels to its world-class dining and live shows. The city's entertainment scene is second to none, featuring legendary headliners, cutting-edge performances, and an array of themed attractions.

At Chile's northernmost end, the dizzying railway from high Bolivia comes down to the sea. Arica, the City of Eternal Spring, has a population of 169,000. and is located in the Atacama Desert. See San Marcos Cathedral, designed by Gustave Eiffel, and marvel at Pre-Incan relics in the City Museum. Or leave the city to venutre to the White City of Arequipa, the Incan capital of Cuzco and Machu Picchu and the ancient Inca city in the clouds.

Nestled in the rolling hills of northeast Georgia, Athens is a vibrant city known for its rich history, thriving arts scene, and quintessential Southern charm. Home to the University of Georgia, the birthplace of public higher education in America, Athens brims with youthful energy and intellectual curiosity.