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.

Fort James Beach, just outside St. John’s in Antigua, is a long stretch of soft white sand framed by calm, turquoise waters. The beach takes its name from nearby Fort James, a historic 18th-century British stronghold built to guard the harbor.

Almost every modern scene in Constanta, Romania, is juxtaposed against 4th century Roman relics.

On Cook Strait sits Wellington, New Zealand's charming windy city. Must-sees here include the waterfront, the lovely beaches, and the Wellington Cable Car that takes riders to botanical gardens. For cultural exposure, visit The Museum of New Zealand Te Papa Tongarewa, with its Maori national treasures and art gallery. Wellington Zoo is another key attraction, and features Tahi, a one-legged kiwi, as its mascot.

Viscri is a small village in Brașov County, Transylvania that feels like a place untouched by time, where centuries-old traditions remain alive in everyday life. Best known for its Saxon fortified church, the church of Viscri is one of the oldest and most impressive buildings in Transylvania, built of white-green limestone and strengthened with two rings of defensive walls added over the 16th and 18th centuries.