Not Rome and its world-famous Colosseum, not Athens with the millennia-old Greek ruins bestriding Acropolis Hill, and certainly not Paris where basically everything pre-Revolution has been torn down or remade in Haussmann fashion: Europe’s most ancient city, with over 8,000 years of continuous history, is actually located in Bulgaria: Unless you’re a devoted Europhile, or … The post Europe’s Most Ancient City Is Also One Of Its Cheapest & Safest…