This 2,000-year-old city, where the Teutonic Order founded one of its first commanderies in the 13th century, lies on the convergence of the Moselle and Rhine Rivers.

Charleston, South Carolina, is a gem of Southern charm and history, offering an immersive travel experience in a beautifully preserved city. Known for its cobblestone streets and antebellum architecture, Charleston's historic district is a living museum where visitors can stroll past colorful row houses and elegant mansions. Key landmarks include the Battery and Rainbow Row, a series of pastel-colored houses that are among the city's most photographed sites.

Newport, a historic city on the River Usk in southeast Wales, blends its industrial heritage with a growing reputation for culture and green spaces.

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.

Saint-Malo, a captivating walled city on the coast of Brittany, France, invites visitors to step back in time while embracing the beauty of the rugged coastline. Known for its rich maritime history, this former pirate stronghold has retained its medieval charm, with narrow cobblestone streets, towering granite walls, and fortifications that echo tales of seafaring adventures.