Samarkand is one of Central Asia’s most storied cities, famed for its role as a crossroads of culture, science, and trade along the Silk Road. The heart of the city is the Registan, a grand square framed by three ornate madrasas decorated with vivid mosaics, intricate tilework, and soaring arches.

Originating as a tiny fishing village in 1038, modern Kehl has become an important link between Germany and France. Rhine River cruises most often use Kehl as their gateway to the much larger and better-known Strasbourg. The savvy traveler, though, might choose to skip the jaunt across the river and enjoy many similar sights, shopping and cuisine as those offered in the teeming French city.

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.

A favorite for many cruise-goers and tourists, Ketchikan, Alaska, is a charming city located near the state’s southeastern edge.

Chiang Mai, located in northern Thailand, is a city where ancient walls surround over 30 historic temples, and daily life continues just steps away from centuries-old rituals. Founded in 1296 as the capital of the Lanna Kingdom, the city still reflects its origins through distinctive architecture, moats, and cultural practices. Wat Phra Singh and Wat Chedi Luang are two of the most visited temples within the Old City, offering a chance to see traditional Lanna-style design.