Automatons that were once removed after one fell from the building.

This sculpture pays homage to the street sweepers of Madrid since its inauguration in 2001 in Plaza Jacinto Benavente.

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

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

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

At this century-old barbershop, clients used to be entertained with a glass of brandy and a cigar.

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

A statue commemorating a beloved stray dog who was adopted by the entire neighborhood where he lived.

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

A masterpiece of Rationalist architecture in the center of Madrid with lizards on it.

Dr. Fleming's work saved the lives of many bullfighters thanks to his discovery of penicillin.

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

Once a resting spot for King Fernando VII.

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

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

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

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

The mysterious large white cross visible from the runway is a memorial to a massacre during Spanish Civil War.

Sip a Negroni Sbagliato in the bar that invented it.

Invented in the mid-19th century, this machine could send copied images via telegraph lines.

The enigmatic sculpture hides above an escalator in a Milan metro station.

In the 1940s, Italian architect Mario Cavallè built a dozen of these round homes in northern Milan.

Remnants of cone-shaped fascist bomb shelters in Milan.

The train platform where Jews were sent to concentration camps is now preserved as a Holocaust memorial.