Underground Cemetery is a National Historical Landmark in Barangay Bambang, Nagcarlan, Laguna. Its was built in 1845 as a public burial site and its underground crypt exclusively for Spanish Friars, Prominent elite citizens.
During the Philippine Revolution it is served as a meeting place of revolutionary leaders of the Katipunan in 1896. Its is also served as hideout for Filipino leaders during the Philippine-American War and Guerrillas in World War 2
