Hawaii vs Buenos Aires

Hawaii is the ultimate winter escape for Americans: no passport, no currency exchange and 80°F (27°C) days while the mainland shivers. Choosing an island is the first decision. Oahu is the energetic hub, with Waikiki's beach scene, the moving USS Arizona Memorial at Pearl Harbor, the Diamond Head crater hike and the North Shore, where winter swells send 30-foot waves rolling into Waimea Bay and the Banzai Pipeline. The Big Island is raw and vast, with active volcanoes at Hawaii Volcanoes National Park, night snorkeling with giant manta rays off Kona and stargazing near the summit of Mauna Kea. Maui, with the Road to Hana and Haleakala sunrise, is the romantic middle ground and deserves its own trip. This 7-day plan pairs 3 nights on Oahu with 4 nights on the Big Island, linked by a short inter-island flight of about 45 minutes. Book the key reservations early: Pearl Harbor's USS Arizona Memorial program, Diamond Head entry for non-residents, and a manta ray tour. Pack a light jacket for volcano evenings, mineral reef-safe sunscreen for the reefs, and plenty of patience for traffic in Honolulu.

Argentina's capital carries strong European influence in its architecture and café culture, earning it the nickname 'Paris of South America,' while tango, football passion, and parrilla steakhouses keep it distinctly Argentine. Neighbourhoods like colourful La Boca and elegant Recoleta each tell a different chapter of the city's history.