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.

Monastir, a coastal gem in Tunisia, offers a perfect blend of history, culture, and sun-soaked relaxation. Overlooking the azure waters of the Mediterranean Sea, the city is famous for its majestic Ribat, a well-preserved Islamic fortress dating back to 796 AD. This imposing structure, used historically to defend against Byzantine and European invaders, offers visitors panoramic views of the coastline and the city below.

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

Manompana is a small coastal town in northeastern Madagascar, located in the Analanjirofo Region along the Indian Ocean. The town sits at a low elevation and enjoys a tropical rainforest climate, with warm temperatures and abundant rainfall throughout the year.

Located on the north coast of Morocco near the Strait of Gibraltar, Tangier is a cultural capital replete with historic sites, colorful architecture, and splendid beaches. An essential stop is the Ancien Medina, a walled collection of winding streets and alleys filled with cafes and shops leading to the Kasbah, a former palace and mosque that also houses a museum.