These "mermaids" that surround a plaza in Segovia are rather sphinx-like.

A controversial art piece that harkens back to local folklore.

This magnificent castle grew from a small Moorish fortress, and reportedly inspired two iconic Disney castles.

A curious memento mori hangs in the magnificent Cathedral of Segovia.

One of the few remaining ancient aqueducts described by Frontinus as 'the most solemn testimony of the Empire.'

The oldest restaurant in the world is this old-world Spanish eatery, still known for its suckling pig.

At only 14.25 meters long, Travesía del Biombo is the shortest street in Madrid

One of Madrid's most beloved statues is of an anonymous citizen.

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

The Spanish king's private bathroom embraced the idea of a porcelain throne.

This macabre masterpiece of a mural is one of Francisco Goya's "Black Paintings."

Over two centuries old and counting, Madrid's massive botanical garden contains one of Europe's only desert environments.

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.

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

Once the grandest synagogue in medieval Spain, it now stands as a memorial of the 15th-century Jewish exile.

This ancient Roman cistern has been the source of many legends throughout the centuries.

At least according to the Guinness World Records.

The ruins of an ancient stadium that hosted gripping chariot and horse races.

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

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

This modernist bridge highlights the bear as a symbol of Madrid.

Most visits to the Almudena Cathedral in Madrid ignore the eeriest part of the building, its crypt

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