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

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

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

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.

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

These ancient artifacts are a testament to the enduring significance of the bull in Spanish culture.

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

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

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

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

Dedicated to a young woman who broke gender barriers at the University of Madrid.

The little church's beautifully frescoed ceiling has earned it the nickname “the Sistine Chapel of Madrid.”

In the fictional world of Kcymaerxthaere, celestial wonders marked a portal to a powerful route of travel at this site in Madrid, Spain.

Artist Natividad Sánchez wrote a new ending for one of Roman mythology's tragic love stories.

A dreamy mausoleum honors Persia's most famous poet.

The world's oldest bookshop still in operation.

Sometimes called the Banksy of Madrid, Muelle was a pioneer of street art in the Spanish city.

An automaton perched above an classic clock and watch store

An old, deep well, connected with a miraculous, divine rescue and the patron saint of Madrid.

Among the oldest structures in Madrid, these Moorish walls once guarded the medieval city of Mayrit.

Part of the medieval watchtower is displayed in an otherwise ordinary parking garage.

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

Order cookies baked by cloistered nuns in a 400-year-old monastery.