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.

Siem Reap is best known as the gateway to Angkor, the ancient capital of the Khmer Empire, but the town itself offers far more than a launching point for temple exploration. Located in northwestern Cambodia, Siem Reap balances centuries-old traditions with a rapidly evolving cultural scene. Its streets are lined with colonial-era buildings, Buddhist pagodas, bustling markets, and open-air cafés.

Ningbo is right on the East China Sea, south of Shanghai. Many scholars believe this was the cradle of Chinese civilization. Study the stone tablets and thousands of rare Ming Dynasty books in China's oldest and most renowned library. See the Asoka Temple believed to be one of the most important Buddhist temples in China or visit Tian Tong Temple, one of the largest and most scenic. For shopping, try the colorful and busy Gao Tang Free Market, the largest in the city.

Puerto Natales sits at the head of the Ultima Esperanza Sound in southern Chile, serving as the gateway to Patagonia’s dramatic landscapes.

Town walls encapsulate this city, making for fantastic viewpoints all around. Visitors can also walk across the Pont de les Peixateries Velles bridge, designed by Gustave Eiffel. When leaving, it is a must to find El Cul de la Lleona, a lioness statue, and kiss her bottom. Tradition dictates that doing so will ensure a return trip in your future!