Alaska's largest city is the perfect place for anyone who wants a vacation filled with wildlife, outdoor activities, glaciers and gorgeous parks.

Portugal offers a layered experience shaped by maritime history, deep-rooted traditions, and a coastline that stretches for nearly 1,800 kilometers. In Lisbon, the streets of Alfama wind uphill toward São Jorge Castle, where views of red-tiled rooftops and the Tagus River reveal how the city was rebuilt after the 1755 earthquake. Trams still clatter through narrow streets, and fado music, often performed in candlelit taverns, tells stories of longing and the sea.

Hidden in the northern region of Costa Rica, the Celeste River (Río Celeste) winds through Tenorio Volcano National Park with a color so vivid it seems unreal. The river’s striking turquoise hue is caused by a natural chemical reaction between two mineral-rich streams, Quebrada Agria and Río Buena Vista, which merge at a point known as "El Teñidero." This one-of-a-kind phenomenon creates the illusion that the water has been dyed blue, even though no pigments are present.

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.

Guayaquil, Ecuador, is a vibrant port city and a frequent starting point for cruises to the Galapagos Islands.