Nagcarlan Underground Cemetery (Nagcarlan, Laguna)
The only one of its kind in the country, this cemetery was used as exclusive burial ground for Spanish friars. It later served as a secret meeting place of Filipino revolutionaries . The Historic pact of "Biac-na-Bato" was first planned by Pedro Paterno and Gen. Severino Taino of the "Maluningning" command during their secret meeting in this cemetery in 1897.