Bulgaria is generously gifted with natural landmarks and a diversity of landscape, rich variety of flora, fauna, abundance of curative mineral springs, historical sites, hospitable sea resorts, perfect opportunities for skiing, breath-taking natural phenomena.   Caving, mountaineering, rock climbing, hiking, walking, horse riding, mountain biking, cycling, hunting, fishing, bird watching, butterfly watching, rafting, skiing, sailing and surfing - these are just a few of the opportunities that Bulgaria offers for your active vacation.   Bulgaria is situated at a crossroads between Europe and Asia and it has a key position both for road, river and sea transport of a large group of countries. Several Pan-European transport corridors cross the country. There are 4 international airports in Bulgaria, the biggest being in Sofia.   Ancient culture, endless beaches, an emerald sea, high mountains with marvellous gorges and caves, clear lakes and rivers full of fish, wide valleys, healing springs,  hospitable people, tempting cuisine and wines... Explore this land!