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.

Dikili leads the way to the ancient city of Pergamum, also known as Bergma. This city thrived under the Romans from the 2nd century BC to the 2nd century AD. One of the most fascinating aspects of the ancient site is the medical complex, Asklepieon, where advanced psychological treatments were practiced.

Copper River, Alaska's fourth largest river travels from the dry interior climate to the temperate rainforest along Prince William Sound.

Replete with windmills and old-world charm, the village of Kinderdijk lies east of Rotterdam on the Lek River and is a popular stop for European river cruises. Home to the largest concentration of old windmills in the Netherlands, Kinderdijk was designated a UNESCO World Heritage Site in 1997.

Cancún sits on the northeastern tip of Mexico’s Yucatán Peninsula, where the Caribbean Sea meets a narrow stretch of sand shaped by ancient Maya trade routes and modern development. While widely known as a resort destination, Cancún’s roots trace back to a quiet fishing area near important pre-Hispanic sites, with nearby Isla Mujeres and the mainland serving as part of a broader coastal network connected to inland Maya cities.