Donji Milanovac is a gateway to the Iron Gates Gorge, one of the most stunning natural attractions in the region.

Welcome to Nairobi, safari capital and the largest city in Kenya. At one time a simple hydration spot for the Maasai, this high-energy East African city now strikes a balance between the cosmopolitan and the natural. In its adjacent Nairobi National Park, visitors will see lions, zebras, giraffes and rare black rhinos.

Must-sees in Seville include the landmark palace Royal Alcázar of Seville, the Gothic, bell-towered Catedral de Sevilla, and Plaza de España, an architectural marvel with Moorish, Baroque and Renaissance influences. Meanwhile, Museo del Baile Flamenco is the place to learn about flamenco dancing culture.

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.

Kangerlussuaq, Greenland, is a gateway to the stunning Arctic wilderness and an essential stop for any intrepid traveler seeking adventure in the icy realms of the north. This remote town, located on the western coast of Greenland, is renowned for its dramatic landscapes, including the vast Søndre Strømfjord, one of the longest fjords in the world.