Pinagrealan Cave _ Norzagaray Bulacan
Pinagrealan cave is located in Barangay Bigte,Norzagaray Bulacan.This cave was used as hideout for the revolutionaries against Spain in 1896 and Filipino-American war in 1898 which was also the hideout of Gen. Emilio Aguinaldo,the first President of the Philippines.During the Filipino-Japanese era,it was then used as a sanctuary by the Japanese Imperial Army by the time the Philipines was liberated by American Forces.