Abandoned Roman Catholic chapel abused by Satanists before being restored.

Burial grounds for more than 1,000 bodies deep under the modern town of Rabat.

Two geological phenomena in one precarious locale: a towering stone window, and a deep blue void.

This subterranean necropolis holds three floors of antler-dug grave caves.

Dynastic Home of the De Piro Family.

Ancient mysterious ruts carved in the bedrock.