Places Edited by Xavi Pascual

These three pillboxes still remain as a witness of the Spanish Civil War in a park of Madrid.

This nondescript building hides an entrance to an underground nuclear tunnel system.

Come face to face with the ferocious visage of the serpent-headed mother goddess of the Aztecs.

Fragments of human bones are embedded in the walls of this quaint alley.

It's believed these prehistoric individuals were the victims of cannibalism.

This Bronze Age man spent millennia buried in a mine, giving his bones an eerie hue.

This abandoned viewing platform has become a monument to unnecessary government spending.

Legends surround this natural rock formation that looks like a Moorish king wearing a crown.

Stockholm's narrowest alley is barely over two feet wide.

This centuries-old rooster survived a devastating fire.

A wooden street sign is the last remnant of this 400-year-old alleyway.

This ordinary street was made infamous by a legendary visit from the devil.

This magnificently macabre shield shows the power of chivalrous love in medieval times.

This interactive museum highlights the history and philosophy of one of the world's most difficult sailing races.

A gruesome and mysterious ancient sculpture of a pagan deity from the Roman occupation of Celtic Britain.

Outside a Viking museum sits a modern-day runestone made by a Swedish runemaster using traditional methods.

This intriguing Bronze Age artifact spent centuries hidden within a Welsh faerie hill.

This museum houses two of Mexico's most impressive Aztec monoliths.

When this 18th-century observatory's meridian was moved, it set Sweden's time back by 0.04 seconds.

This mysterious and unique painting is filled with symbolism.

Once home to an aristocratic family and a workers' organization, this intricately tiled building now houses a chain restaurant.

This technological marvel is one of the world's first 3D-printed bridges.

A plaque marks the house in Stockholm where the French philosopher René Descartes lived up until his death.

The striking jade death mask of an ancient Maya king is displayed in a replica tomb in Mexico City.