Fresh facts have revealed that Nigeria loses over seven hundred billion naira (N700 billion) to tourism annually due to poor management of tourist destinations, heritage sites and monuments across the 36 states and the Federal Capital Territory.
Nigeria has over 1,000 tourist destinations including 33 museums, 65 national monuments out of which two were declared World Heritage Sites, namely, Sukur Cultural Landscape in Adamawa State and Osun Oshogbo Groove in Osun State.more on..........http://nairametrics.com/this-is-why-nigeria-loses-n700bn-to-tourism-annually/