This southwestern U.S. state is best known for the Grand Canyon, which is a must-see. Other attractions include Tuscon's Saguaro National Park, golf courses in Phoenix, as well as Sedona's Cathedral Rock.

The second-biggest state in America, Texas is dotted with several appealing cities, including music and food-focused Austin, bustling Houston, arts and culture-rich Dallas-Fort Worth, and San Antonio, where the River Walk is not to be missed.

Dresden, the capital of Saxony, is a city where history, culture, and beauty seamlessly intertwine. Known as the "Florence on the Elbe," Dresden boasts a stunning array of baroque and rococo architecture that captivates visitors from around the world. Dresden hosts the world's oldest Christmas market, the Striezelmarkt, dating back to 1434.

Situated on Peloponnese peninsula's Western side, Olympia has the distinction of being one of Greece's most significant archaeological sites.

Aspen, Colorado, is a world-renowned destination that marries alpine beauty with cultural sophistication. Nestled in the heart of the Rocky Mountains, Aspen's pristine slopes have drawn skiers and snowboarders from around the globe for decades. Home to four distinct ski areas, the city offers a range of terrains for all skill levels, from beginners to expert powder hounds.