Chiang Dao is a mountain district in Chiang Mai Province, northern Thailand, known for its limestone peaks, cave systems, and quiet agricultural valleys. The town sits beneath Doi Luang Chiang Dao, one of the highest mountains in Thailand, which shapes the landscape and daily life of the area.

Perugia, the capital of Italy’s Umbria region, is a city built across hills and centuries. Originally settled by the Etruscans more than 2,500 years ago, it still holds remnants of their civilization, including one of the largest surviving Etruscan arches in Italy named Arco Etrusco, which greets visitors at the city’s entrance. Walking through the narrow streets of the historic center reveals layers of Roman, medieval, and Renaissance architecture, all woven together within ancient stone walls.

Bar Harbor should be any traveler's Maine priority! Drink in a view of the Atlantic Ocean from the town pier, and be sure to get some lobster at one of the excellent local restaurants. Bar Harbor, a Mount Desert Island town, is also the portal to the rugged, recreational paradise Acadia National Park, where birding, whale-watching and kayaking is the order of the day. The park's Cadillac Mountain is the highest point on America's East Coast.

Tajikistan, a landlocked country in Central Asia, is defined by its dramatic mountain landscapes, including the towering Pamir and Fann ranges. These rugged peaks and deep valleys create a striking backdrop for ancient Silk Road sites and traditional villages, reflecting the country’s historical importance as a crossroads of cultures.

Formerly Mocamedes, this port in southwest Angola has become an important industrial center since a rail line was built in 1905 connecting it with the interior of Angola. In 1967 when iron ore was discovered in Dongo, an additional line was laid and the port was enlarged.