The province of Apayao recently joined the United Nations ... including the Lussok Cave and Underground River and the dramatic Dupag Rock Formations in Luna. UNESCO established the Man and the ...

Its “amazing” stalactites, stalagmites, and bat colonies make for an exciting exploration, according to the Apayao Provincial Tourism Services Office. The underground river, with its crystal ...

Among the tourist attractions in Apayao are mostly natural sites such as the Lussok Cave and Underground River and the wavy and sharp Dupag Rock Formations in the town of Luna, according to the ...