Old Havana, is the historic heart of the city and the largest colonial centre in Latin America. It's a mix of historic buildings, museums and lively plazas. Featured Cuba Attraction: Historical Centre, Old Havana, Cuba. An OVERVIEW by Authentic Cuba Travel. In Old Havana, a UNESCO world heritage site, the past is palpable. Rumba riffs roll through quaint cobbled squares; vintage cars ply the streets; and historic.