Coimbra, set along the banks of the Mondego River in central Portugal, is a historic city known for its academic legacy and old-world charm. Once the medieval capital of Portugal, it is home to the University of Coimbra, one of the oldest in Europe and a UNESCO World Heritage Site.

A hundred and forty seven miles from Frankfurt, Bayreuth is an important town the the history of classical music. There's a museum in this town dedicated to the composer who made Bayreuth famous, Richard Wagner. Every year, from the end of July and throughout August, the Bayreuth Festival pays homage to Wagner by presenting various operas he created.

Explore a remarkable Kakadu wetland filled with crocodiles, waterbirds, waterlilies and spectacular scenery that changes with the seasons.

Wadi Bani Khalid is a major valley in Oman's Al Sharqiyah North Governorate, extending from the Hajar Mountains toward the desert landscapes of the Sharqiyah Sands. It is known for its year-round watercourses, pools, rocky gorges, and clusters of date palms. Unlike many wadis that can become dry, Wadi Bani Khalid retains flowing water in parts of its upper valley, creating a green contrast with the surrounding arid terrain.

Joshua Tree National Park, located in Southern California, is a desert wonderland that draws visitors with its dramatic landscapes, unique flora, and surreal beauty. Named after the striking Joshua trees, which resemble natural sculptures with their twisting branches and spiked leaves, the park is a haven for nature lovers, photographers, and adventure seekers.