A Spanish town built into the cliffs.

Moorish signal station on a stratgic rocky outcrop.

The world's largest wooden structure.

Spain's stunning solar energy plant.

This oddly shaped church resembles a rocket.

A garden in Lisbon filled with giant porcelain creatures.

This star-shaped military outpost is now simply trying to protect itself from neglect.

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

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

An abandoned mine now resembles a post-apocalyptic landscape of derelict buildings and blood-red pools of water.