This coastal town in southwestern Namibia is known for its German colonial buildings, including the art nouveau Goerke Haus, built into the rock face on Diamond Hill. Nearby, Felsenkirche is a hilltop church with panoramic bay views stretching around to Robert Harbor. The Lüderitz Museum has displays about the town’s diamond mining past as well as local and natural history.

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.

Called "La Metropolis del Sol Naciente" (The City that guards the Sun of the Caribbean), Fajardo was founded in 1772 as Santiago de Fajardo. Fajardo's perfect beaches are bounded by calm, clear water ideal for snorkeling, Seven Seas Beach, offers plentiful water sports facilities, offshore points for sailing, snorkeling and plenty of scuba diving.

Nestled on the southern shores of its namesake lake, Wanaka is a charming resort town in New Zealand's South Island that offers a captivating blend of adventure, relaxation, and stunning natural beauty. Surrounded by snow-capped mountains and crystal-clear waters, Wanaka is an ideal destination for outdoor enthusiasts.

Niue is an island in free association with New Zealand, in the South Pacific Ocean. Niue is located about about 286 mi. east of Tonga.