Barranquilla sits near the mouth of the Magdalena River on Columbia's Caribbean side. It is a major seaport and a center of commerce, but everyone breaks loose for four days in February for one of the liveliest carnivals outside of Rio.

Located in Australia's Northern Territory, Uluru is an iconic sandstone formation and UNESCO World Heritage site. This red rock monolith, believed to be over 500 million years old, has been considered sacred by Australia's indigenous peoples for thousands of years and is one of the country's most well-known natural landmarks. This spiritual destination will astound you at sunrise and sunset, when the warm sunlight turns Uluru to deep hues of red and orange.

Glacier Bay’s untouched beauty will astound you. A National Park and Preserve, as well as a UNESCO World Heritage site, it is covered with stunning tidewater glaciers and a variety of native flora and fauna. Be on the lookout for the variety of eye-catching wildlife, including eagles, moose, and humpback whales, who have made Glacier Bay home.

Rathlin Island is Northern Ireland’s only inhabited offshore island, lying about six miles from the County Antrim coast across the Sea of Moyle. Its small community is centered around a harbor on the southern side, while much of the island consists of farmland, open hills, rocky shorelines, and sea cliffs. Rathlin has a notably remote character despite its short ferry journey from Ballycastle.

Zacatecas, built into the slopes of a narrow ravine in north-central Mexico, is a city with a deep mining past and a striking skyline. The historic center, a UNESCO World Heritage Site, is known for its pink cantera stone buildings, narrow alleys, and impressive baroque facades. The Cathedral Basilica of Zacatecas, completed in 1752, stands as one of the most detailed examples of Mexican baroque architecture, with hundreds of carved figures covering its sandstone exterior.