In Edinburgh, an ancient fortress looms, the hills are steep, and travelers delight in the hidden charms of the Old Town and New Town. Hike to find spectacular views on Arthur's Seat, shop the downhill streets of the Royal Mile, and visit Edinburgh Castle, an imposing royal fortress that defines this city's skyline.

Say "Aloha!" to the big city on Oahu's South Shore: Honolulu. This sunny capital city is the main portal to the larger Hawaiian archipelago, and the perfect base for exploring Oahu.

Písek, a picturesque city in the South Bohemian Region of the Czech Republic, is a hidden gem steeped in history and charm. One of its most notable landmarks is the Písek Stone Bridge, the oldest preserved bridge in the country. Built in the 13th century, this Gothic bridge spans the Otava River and is a testament to medieval engineering.

Also known as “The Paris of the East,” Shanghai is a youthful and cosmopolitan city with a tantalizing blend of Eastern and Western culture. Across the Huangpu River you will see Pudong district’s futuristic skyline, including Shanghai Tower and Oriental Pearl TV Tower. The gorgeous Yu Garden has traditional pavilions, towers and ponds and definitely lives up to its nickname, "Garden of Happiness."

The superb city of medieval magic is the capital of Switzerland. Explore the magnificent museums filled with art treasures; enjoy the famous Berne Symphony Orchestra or visit the cozy, historical basement pubs, Kellerlokale.