If the biting cold across the US has you craving sandy shores, sun-soaked skies, and a city as vibrant as its culture, then it’s time to tell the pilot you’re going to Brazil’s legendary seaside metropolis. Rio—affectionately known as the Marvelous City—feels like carnival all year round, from its mosaic-tiled sidewalks and glittering waterfront to the perpetual beat of samba echoing through its streets.