One of the most important pieces in the Madrid History Museum and one of the oldest historical models of a city in Europe

This grand gate once marked the entrance to a military barracks.

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

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

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

Known as the Casa de las Siete Chimeneas, this haunted 16th-century manor has a dark, mysterious past.

The unfinished final resting place of some of Spain's most prominent politicians.

Emblematic Madrid bar founded in the 1930s that is a testament to times gone by

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

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

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.

This piece of early engineering is rather unknown despite its location in the heart of Madrid.

A haven for book enthusiasts across the street from Retiro Park.

The lengthy skeleton of one of the tallest Spaniards of all time is on display in Madrid.

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

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

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

A pair of gigantic baby heads greet passengers at Atocha Station.

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

A “floating horse” hangs menacingly over the heads of passersby.

This modest lottery shop draws hopefuls all year long, but come Christmas season, lines wrap around the block.

Along the pavement of this neighborhood in Madrid are quotes from famous authors.