Artificial caves of Casal do Pardo

The four Artificial caves of Casal do Pardo (Portuguese: Grutas artificiais do Casal do Pardo), also known as the Caves of Quinta do Anjo, were neolithic tombs. They are situated in Palmela municipality in the Setúbal District, of Portugal, about 25 km (16 mi) south of the capital of Lisbon. These caves were classified as a National Monument of Portugal in 1934.