Capri, a jewel of the Tyrrhenian Sea, has long been a favorite retreat for emperors, artists, and writers. This enchanting island off Italy's Amalfi Coast captivates with its dramatic cliffs, turquoise waters, and timeless elegance. The most iconic sight on Capri is the Blue Grotto, a sea cave illuminated by a magical blue light created by sunlight passing through an underwater cavity.

This Sicily harbor city is divided from Italy proper by the Strait of Messina. Visitors marvel at the Gothic, bell-towered Norman Messina Cathedral.

Lake Tana, located in the northwest of Ethiopia, is the country’s largest freshwater lake and the source of the Blue Nile. Its calm waters are dotted with more than 30 islands, many of which are home to ancient monasteries adorned with religious paintings and manuscripts.

Bratislava, Slovakia’s capital, sits along the Danube River at the crossroads of Central Europe. It's the only capital in the world bordering Austria and Hungary, which makes it an easy stop on many European itineraries. Yet Bratislava is more than a waypoint; it offers a compact city center filled with centuries of history. The Old Town’s cobbled lanes lead past Gothic cathedrals, Baroque palaces, and buildings once used by Habsburg royalty.

Montréal is a city shaped by layers of French and British history, with modern flair built into every corner. Founded in 1642 as Ville-Marie, it’s one of the oldest cities in North America. Visitors walking through Old Montréal will find cobblestone streets, 18th-century buildings, and landmarks like the Notre-Dame Basilica, known for its deep blue interior and grand organ with over 7,000 pipes.