The 100 tourist sites of Bulgaria, a Bulgarian national movement established to promote national tourism covers some of the more popular sites (http://100nto.org/). A reward scheme is available based on collecting stamps from the sites which encourages tourists to travel and sightsee throughout the country.

The Aladzha monastery Aladza monastir near Varna: an old cave monastery built within chalk cliffs surrounded by a forest. Dated around 5th century.