Kos, an enchanting island in Greece’s Dodecanese archipelago, is a gem steeped in both history and natural beauty. Known as the birthplace of Hippocrates, the father of modern medicine, Kos is home to the ancient Asclepeion, a healing temple where Hippocrates taught his students. Visitors can wander through the well-preserved ruins and enjoy sweeping views over the island and the Aegean Sea.

Karlsruhe, located in southwestern Germany near the French border, is a city known for its unique radial layout, rich cultural life, and role as a hub for law and technology. Founded in 1715, the city was planned around the iconic Karlsruhe Palace, with streets radiating outward like the spokes of a wheel.

One of Japan's 60 core cities, Aomori is well-known for its beautiful landscapes. Favorite landscapes include the Hakkoda Mountains and Lake Towada. Another of the city's highlights is the Nebuta Matsuri, an annual festival known for its daily parade of giant, colorful lantern floats.

Two thousand years have left their mark in Bonn, tracing its development from a Roman camp into the settlement known as "Villa Basilica," and on through the Baroque era's Electoral Palace, which today houses the University.

Austria is located just east of Switzerland; northeast of Italy. The foremost attraction is skiing or hiking the Alps--equally breathtaking whether you're among its glorious peaks or at ground level. Visit the capital of Vienna, with its original coffee houses and the opera; or take a country drive and visit its charming villages.