Algiers, Algeria’s capital, is a city where centuries of history unfold along the shores of the Mediterranean. Known as “El Bahdja,” or “The Joyful,” Algiers blends striking buildings, seaside breezes, and layered stories. One of its most iconic landmarks is the Casbah, a UNESCO World Heritage site with maze-like alleyways, Ottoman-era palaces, and hidden terraces overlooking the bay. The Grand Post Office, with its striking facade and intricate neo-Moorish details, anchors the city’s downtown.

The Great Barrier Reef stretches along Australia’s northeast coast, forming the largest coral reef system on Earth and one of the planet’s most complex living ecosystems.

Catalina Island, just 22 miles off the Southern California coast, offers a perfect blend of adventure, relaxation, and natural beauty. Known for its crystal-clear waters and Mediterranean-like climate, Catalina is a haven for outdoor enthusiasts and leisure seekers alike. Avalon, the island’s primary town, charms visitors with its colorful architecture, boutique shops, and vibrant waterfront.

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.

Eritrea, located along the Red Sea in the Horn of Africa, offers a fascinating blend of history, diverse landscapes, and rich cultural traditions.