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.

Dominica, known as the “Nature Island of the Caribbean,” is a haven for eco-tourists and adventure seekers. Nestled between the French islands of Guadeloupe and Martinique, this lush island boasts a remarkable landscape of volcanic mountains, dense rainforests, and stunning waterfalls. Dominica’s most iconic natural wonder is the Boiling Lake, the second-largest hot spring in the world.

Located in the vibrant blue waters of the Mediterranean Sea, Ajaccio is the capital of the island of Corsica and a popular resort destination. A port city often frequented by cruise ships and yachts,

Veracruz, Mexico, is a vibrant port city rich in history and culture. Founded in 1519 by Hernán Cortés, it is Mexico’s oldest city, and its historic center, with its colorful colonial buildings and bustling Zócalo, reflects its deep historical roots. Visitors can explore the impressive San Juan de Ulúa Fortress, a massive colonial-era fort that once served as a prison and a key military base.

Exeter, located in Devon in southwest England, is a city rich in history, culture, and architectural beauty. Settled by the Romans and later developed as a medieval trading center, Exeter retains a unique combination of ancient structures and modern amenities.