This 2,000-year-old city, where the Teutonic Order founded one of its first commanderies in the 13th century, lies on the convergence of the Moselle and Rhine Rivers. Hop on a cable car, one of the city's most popular attractions, for stunning city-wide views, or cruise down the Rhine to spot some of Koblenz's magnificent fortresses and castles, including the Ehrenbreitstein Fortress and Schloss Stolzenfels.

Patagonia, Argentina, is a land of untamed beauty, where jagged peaks, expansive glaciers, and crystal-clear lakes come together to create one of the most awe-inspiring landscapes on Earth.

Tikal is one of the most extraordinary ancient cities in Guatemala, hidden deep in the Petén region’s tropical forests. Once called Yax Mutal by its Maya builders, these ruins reveal thousands of years of history in carved stone stelae and towering limestone structures, some of which rise more than 60 meters above the jungle floor. Today, visitors can walk among the Great Plaza and gaze up at the Temple of the Great Jaguar and the Temple of the Masks, reminders of the city’s long legacy.

Set along the banks of the Dudh Koshi River, Phakding welcomes travelers at the early stages of the journey toward Mount Everest. Sitting at a lower elevation than many nearby stops, the village is surrounded by green hills, pine forests, and terraced farmland. The steady sound of the river accompanies visitors as they cross suspension bridges and follow winding trails that connect small settlements throughout the valley.

A city in perpetual forward motion, Abu Dhabi greets visitors with gleaming skyscrapers and opulent Islamic architecture. There is much to see here, from the recently opened Louvre Abu Dhabi to the gigantic Sheikh Zayed Grand Mosque, with its white marble splendor. Beach life and turquoise waters can be found on Saadiyat Island, Al Bateen and Corniche Beach.