Rare karst landscape eroded from a flat seabed.

A small Portuguese cottage formed between boulders in the countryside.

Considered the birthplace of the Copper Age and Bronze Age, the river is tinted red from 5,000 years of mining.

Ancient catacombs form the foundation for this Rococo orgy of a church.

An ancient tomb that still stands in Portugal.

Pagan monument converted to Christianity with the population.

A neolithic tomb converted into a tiny chapel.

A 16th century chapel decorated with bones, skulls, and entire bodies hanging from the wall.

A chunk of the "true cross" is held in this small Portuguese church where modern day exorcisms are said to be common place.

This small chapel is built of human bones and decorated with a golden skeleton.