Abandoned for decades, trains still pass through the now-restored remains of one of Madrid's first metro stations.

An outsider folly near Madrid.

Infamous and now demolished panopticon prison built by its former inhabitants.

The remains of this misplaced church were moved here stone by stone.

Remains of the lost church hide beneath this Spanish Parliament building.

Inside this church are the alleged remains of the patron saint of lovers, epileptics, and beekeepers.

The unfinished final resting place of some of Spain's most prominent politicians.

The earliest known map to show America, discovered by accident at a Paris bookshop.

A whimsical brother of the nearby Fallen Angel statue takes the falling part quite literally.

This little-known national museum houses over 40,000 works of art from across the world.

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

One of the few places in Portugal where the Celtic ritual of wearing large wooden masks is still practiced.

This unassuming chapel in Portugal plays host to a ghoulish collection of bones.

An honorary saint of the people, Maria Adelaide became an incorrupt corpse, the clothes intact, exhaling “a strong scent of roses.”

A windswept necropolis carved into the rocks overlooks the "most Portuguese town in Portugal."

This fairy-tale, neo-Gothic church in the Azores is a world of magical realism.

The medieval castle built as headquarters for the Pope's secretive Knights Templar.

Picturesque intersection of witchcraft and ancient Christianity.

The stunning interior of this Gothic church is covered in ornate gold details.

This gaping hole in the middle of a remote mountain lake looks like a portal to another dimension.

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

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

Houses are tucked between, on, and underneath giant boulders.

Village situated on a narrow volcanic escarpment.