Libya, located in North Africa along the Mediterranean coast, is a country of vast deserts, ancient history, and dramatic landscapes. Much of its terrain is dominated by the Sahara Desert, with sand dunes, rocky plateaus, and oases shaping life across the country.

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.

Honolulu, the capital of Hawaiʻi and the largest city in the Pacific, blends the energy of a major urban center with the deep roots of Native Hawaiian culture. Set on the island of Oʻahu, it’s home to iconic beaches, royal history, and a rhythm all its own. This sunny capital city is the main portal to the larger Hawaiian archipelago, and the perfect base for exploring Oahu.

Progreso, a coastal city in the state of Yucatán, offers travelers a relaxed atmosphere with strong ties to the sea. Founded in 1871 as a port to support trade in the region, Progreso now welcomes both cargo ships and cruise liners to its shores. Its most defining feature is the Progreso Pier, one of the longest in the world, stretching over 6 kilometers into the Gulf of Mexico.

Luxembourg, a small yet influential country in the heart of Europe, offers visitors a rich blend of historic sites and contemporary culture. The capital city, Luxembourg City, is famous for its dramatic cliffs and ancient fortifications that have earned it a UNESCO World Heritage status. Walking through the old quarters, visitors can explore the casemates that reveal layers of the city’s military past.