Evidence of our nation's birth abounds in Boston, a hub of revolution that is essentially the oldest city in the United States. Visitors are compelled to walk the 2.5-mile Freedom Trail around the city center, and bear witness to 16 historical locations related to the history of America.

Pompeii, Italy, is a mesmerizing time capsule that invites travelers to step back into the world of ancient Rome. Once a thriving city, Pompeii was abruptly buried under volcanic ash and pumice following the catastrophic eruption of Mount Vesuvius in 79 AD. This tragic event preserved the city in remarkable detail, allowing visitors today to walk the cobbled streets and witness a snapshot of Roman life, from grand villas and bathhouses to bakeries and amphitheaters.

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.

A popular stop on river cruises down the Rhône, Tournon, France is a picturesque town south of Lyon. Despite its small size, this French ville is instantly charming. From historic buildings like the Château-Musée de Tournon and the Église Saint-Julien de Tournon, to the lush botanical splendor of the Jardin d’Eden, Tournon’s quaint beauty is guaranteed to enchant.

Shanghai is a city where contrasting timelines meet at every corner. Once a small fishing village along the Huangpu River, it grew rapidly during the 19th century into a major trading port. Today, its skyline tells a story of that transformation. On one side, the Bund’s colonial-era buildings stand tall in limestone and granite; on the other, the futuristic towers of Pudong, like the Shanghai Tower and Jin Mao, stretch into the clouds.