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.

Matera, one of Italy's most enchanting cities, is a living testament to human resilience and creativity. Nestled in the southern region of Basilicata, Matera is renowned for its ancient cave dwellings, known as the Sassi. These prehistoric stone houses, carved directly into the limestone rock, date back thousands of years, making Matera one of the world's oldest continuously inhabited cities.

The Fish River Canyon in southern Namibia is one of the planet’s most remarkable landforms, stretching across vast terrain in the Richtersveld Transfrontier Park. It is one of Africa’s largest canyons, carved over millions of years by the Fish River as it etched a deep, twisting gorge into the desert plateau. From high viewpoints like Hell’s Bend, visitors can see layers of rock dropping away to reveal ridges and ravines that seem to go on forever, all under wide, open skies.

Located on Lake Superior, Duluth is a gateway for a year-round resort area, and tourism is a major industry.

Basel is the global center of the pharmaceutical industry, but most travelers visit for the world-famous ART Basel festival, as well as the numerous art galleries, iconic architecture and museums.