Gotland, Sweden’s largest island, sits in the Baltic Sea and feels like a world of its own. Its main town, Visby, is a UNESCO World Heritage site and one of the best-preserved medieval towns in Northern Europe. Surrounded by a 3.5-kilometer stone wall with original towers still intact, Visby once served as a key Hanseatic trading hub. Visitors can walk along cobbled streets lined with rose-covered cottages, explore Gothic church ruins, and climb up the city wall for views over the harbor.

Beijing, the capital of China, is a city where history and modern life intersect on a grand scale. Ancient landmarks like the Forbidden City, Tiananmen Square, and the Temple of Heaven reflect centuries of imperial heritage, while the Great Wall lies just outside the city, offering views of one of the most famous engineering feats in the world.

Seattle is a city shaped by water, mountains, and innovation. Its skyline, dominated by the Space Needle, tells only part of the story. Beneath it lies a vibrant mix of neighborhoods, each with its own character. Seattle was the birthplace of grunge music and remains a stronghold for independent arts. The Museum of Pop Culture (MoPOP), located at the Seattle Center, celebrates the city’s creative spirit with exhibits on everything from Nirvana and Jimi Hendrix to science fiction and gaming.

Katakolon, also known as Katakolo, is a charmingly small port and fishing town on the coast of Greece. A primary entryway to the nearby ancient ruins of Archaia Olympia, Katakolon is a popular stop on many Mediterranean cruises. Before heading to Olympia, be sure to unwind on the warm Grecian sands of Paralia Katakolo or savor a bite of fresh seafood at one of Katakolon’s quaint cafés.

This small yet charming city in Alaska's panhandle is a throwback to the gold rush era. Skagway is a well-preserved part of Klondike Gold Rush National Historical Park.