Remote, windswept, and bursting with wildlife, South Georgia is a sub-Antarctic island that surprises nearly everyone who steps ashore. Though uninhabited by civilians, the island hosts a small British research station and welcomes visitors via expedition cruises. What draws people here is not luxury or convenience, but the scale of its wildness.

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.

Great Bird Island, lying just off Antigua’s northeastern coast, is a tiny, uninhabited gem known for its remarkable biodiversity and tranquil beauty. Despite its modest size, the island is home to some of the Caribbean’s rarest wildlife.

Mahón, the capital of Menorca, one of the Balearic Islands in Spain, is a charming and historic city that offers a blend of Mediterranean beauty, rich culture, and vibrant history. Located on the eastern coast of the island, Mahón boasts a picturesque harbor, which is one of the largest natural harbors in the world.

Cairns is the majestic entrance to Australia's Great Barrier Reef. This warm, tropical destination is located in Far North Queensland. Must-see attractions in Cairns include the Tjapukai Aboriginal Cultural Park, which educates tourists about indigenous peoples, and restaurant and bar-dotted Cairns Esplanade, which has a lagoon for swimming.