During any season, at any hour of the day, Moscow thrills visitors with its artistry, history and majesty. The very founding site of the city (and arguably, the country), the Kremlin and Red Square are still at the heart of Moscow – historically, geographically and spiritually.

For most, any trip to the Empire State starts or finishes in its iconic metropolis: New York City. However, if you confine your travels only to the five boroughs there's a considerable amount you're missing out on.

Barcelona is an enchanting seaside city with boundless culture, fabled architecture and a world-class drinking and dining scene. Towering temple columns, ancient city walls and subterranean stone corridors provide a window into Roman-era Barcino.