With just shy of ten UNESCO World Heritage Sites, including the vast Rila Monastery complex and the ancient Thracian “beehive” tombs, travelers on luxury tours of Bulgaria are immersed in the country’s glorious heritage and tales of its centuries-old past. The modern capital city of Sofia is replete with cultural sightseeing. Explore various cathedrals, museums and ancient Roman constructs. Each leaves its own indelible mark on those who choose luxury journeys. Bordering five countries, and featuring mile upon mile of golden sand beaches, Bulgaria is fast-becoming one of Europe's most intriguing destinations for luxury vacations in Eastern Europe.