A rare set of strings by famed instrument maker Antonio Stradivarius is on display in the Royal Palace.

Just like in Hollywood, Madrid has also a forgotten walk of fame.

The remains of a convent turned military barrack in the heart of Madrid.

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

One of the best examples of the modernist movement in Madrid.

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.

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 small museum displays some of the artifacts discovered during a subway station renovation.

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

A must for film lovers in Madrid and home to the Spanish Film Library's projection space.

These distorting, funhouse mirrors achieved fame in a renowned piece of Spanish theater.

This sweet-toothed bear searching for snacks has been a symbol of Madrid for decades.

This little sun pays homage to a massive gate that once stood at this location.

A stone slab in Madrid marks the point from which the distances of Spain's national roads are measured.

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

This enormous censer uses a pulley system installed over 400 years ago.

One of several Lilliputian portals that are ready to transport passengers to other dimensions, if they can find them.

An accidental trick of light casts the perfect shadow of a pilgrim of the Camino de Santiago against the cathedral wall.

Thanks to an acoustic anomaly, this unassuming stone bench has heard one hundred years of secrets.

Remarkably intact Roman stone fortifications have encircled this Spanish city for centuries.

The surviving remnants of a destroyed medieval church now stand in a public park.