Colca Canyon, located in southern Peru’s Arequipa region, is one of the deepest canyons in the world, twice as deep as the Grand Canyon in some areas. What makes it stand out even more is how human settlements have coexisted with the landscape for centuries. Along its walls, pre-Inca agricultural terraces still hold crops like corn and quinoa. One of the main draws of the canyon is the opportunity to see Andean condors in flight.

Calvi, a picturesque gem on the northwest coast of Corsica, France, enchants visitors with its blend of rich history, rugged landscapes, and sparkling Mediterranean waters. This charming seaside town is dominated by its iconic citadel, a formidable 15th-century fortress that stands sentinel over the turquoise bay.

ABERDEEN -- Scotland's third-largest city (pop. 187,000) is characterized by buildings of beautiful white granite. Set beside the North Sea, Aberdeen is both a university town and the capital of the Scottish oil boom. It is also one of Scotland's largest seaside resorts (though its appeal is confined to those who like their water well-chilled).

Berlin has an undeniable history. The horrors of World War II, division, reunification, revolution all profoundly impacted the city in the 20th century. Today, visitors will find a sophisticated, high-energy city with endless cultural, architectural and gastronomic attractions.

Crater Lake National Park, Oregon, offers a breathtaking display of natural beauty centered around the deepest lake in the United States. Formed by the collapse of a volcanic caldera, Crater Lake is renowned for its stunningly clear blue waters, which are the result of rain and snowfall filling the caldera. The lake's unique color and clarity are due to its depth and the purity of its water, making it a visual marvel that attracts visitors year-round.