Legacy of the earthquake that nearly wiped Lisbon off the face of the Earth.

This unique architectural wonder is also tied to one of the 20th-century's most renowned writers.

This charming candle shop has been in business since 1789.

For more than two centuries, the canopy of this venerable tree has been a haven for songbirds and lovers.

This crumbling Portuguese ruin overlooks the populace it once ruled.

A neolithic tomb converted into a tiny chapel.

"Portugal's Stonehenge" is made up of nut-like stones aligned with the heavens.

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 abandoned fortress still stands guard over the Guadiana River despite a history of warfare.

On a trail in Portugal's Barão de São João National Forest, a pile of faces look up at hikers from the forest floor.

Perhaps the most spectacular grotto along the Algarve coastline.

Before this rocky hill was home to a chapel, it was used as a lookout by Romans and Moors.

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

The extravagance of Portugal’s "Pink Palace" resulted in a noble title being awarded to its owner.

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

This amended headstone marks the grave of a participant in one of the most successful military deceptions of all time.

Spain's largest bullring offers a unique glimpse at architecture and history.

Hidden behind a wall, Spanish nuns distribute their signature sweets on a revolving tray.

An eerie collection of the surviving structures from a past celebration of the future.

Its appearance in "Game of Thrones" may spur on the long-awaited restoration of this medieval shipyard.

This former charity hospital for elderly clergy houses some of Seville’s most treasured paintings.

The world's largest wooden structure.

The current seat of the Parliament of Andalusia was once the epicenter of the Great Plague of Seville.