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

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

Once a resting spot for King Fernando VII.

A window into a long-lost world, these colorful tiles advertise a long-defunct range of purgative teas, harmless smokables, and diarrhea cures.

This unassuming bookstore in the heart of Madrid is one of the oldest in Spain.

Guitarist Paco de Lucía overlooks travelers as they pass through this train station dedicated to his legacy.

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

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

An ancient Egyptian temple in the middle of Madrid, Spain.

For decades, Puerta del Sol has been illuminated by a giant, guitar-wielding bottle of sherry.

An open-air "garden" of mural art that changes weekly.

This cemetery features modernist statues as strange as its name.

A beautiful but toxic fountain of mercury.