This amazing abuela became a diehard metal fan late in life and an icon of Madrid's '80s rock scene.

An iconic photograph from the Spanish Civil War saved this shrapnel-scarred historic house from destruction.

One of Madrid's oldest trees, with a long and colorful history, resides in El Retiro Park.

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

The remains of the second-oldest zoo in Europe can be seen within these library gardens.

Madrid's romantically ornate crystal palace has been offering shelter to plants and art for over a century.

Commonly acknowledged as the only public monument to the Devil himself.

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

An iconic and controversial ancient Iberian funerary urn with a hauntingly penetrating gaze.

This embalmed man is one of the best preserved mummies from the Canary Islands.

A reproduction of the famous prehistoric cave paintings is hidden underground at the National Archaeological Museum.

This enigmatic artifact is a rare depiction of an ancient Iberian noblewoman.

This lucky bronze frog was gifted to Madrid by a casino.

This small and often-overlooked museum holds some of Spain's finest artistic treasures.

A towering monument in Spain has proven to be more labor-intensive than initially planned.

A unique exhibit lets blind people experience famous works of art and architecture with their hands.

Earth's rocky history has rarely glittered so brightly as it does in this Spanish museum.

This 15th-century church houses priceless works of art from a range of Croatian artists.

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

This restored Portuguese cafe may well be the most beautiful place in the world to grab a Big Mac.

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

One of the most beautiful bookstores in the world hides a neo-Gothic interior behind an art nouveau facade.

This giant sculpture made of trash is a critique of society's wastefulness.

This historic streetcar system has been running since the 19th-century.