Bulgaria has a long millenaries history. In the country you have the unique possibility to discover and enjoy more than 40 000 historical sites. 7 from these sites are inscribed in the UNESCO World Cultural Heritage. In Bulgaria you are the chance to visit many sites from different time: prehistorically, Thracian monuments, Greek and Roman sites, Bulgarian monuments, more than 120 picturesque monasteries and many architectural reserves.

The nature of Bulgaria is very rich and diversified. There are 3 national parks, 11 natural parks, 89 natural reserves and 2234 natural sites. These conditions allow Bulgaria to support a biota that includes 94 species of mammals, more than 400 birds, 36 reptiles, 16 amphibians, 207 Black Sea and freshwater fishes, an estimated 27,000 insects and other invertebrate species, between 3,550 and 3,750 species of vascular plants, and more than 6,500 nonvascular plants and fungi. Bulgaria thus ranks among the most biologically diverse countries in Europe.

With more than 400 birds species Bulgaria is one of the best places for birdwatching in Europe.

Endemic plant species constitute about 5 percent of the total flora, a high proportion compared with other, larger European countries. The available information on invertebrate taxa indicates that 8.8 percent of all non-insect species and 4.3 percent of insect species are endemic.

Bulgaria is maybe the richest country in the thermal and mineral waters. In all the country are discovered and exploited 550 sites with 1600 mineral sources. More of these sources are the base for the development of the SPA centers. Some of these centers are exploited in the past centuries from the Romans.