Sinop, Brazil

With a population of just 38,374, Sinop is a far cry from Brazil's glitzy coastal cities. The city's rapid growth over the past few decades has led to a persistent bureaucratic headache, as locals grapple with the challenges of building infrastructure to support an expanding population. And while the equatorial climate delivers a balmy annual average of 24°C, the six-month dry season can be grueling. Still, Sinop's booming agricultural sector and university scene may appeal to those seeking opportunity in Brazil's heartland.