This Venice bookstore has resigned itself to constant flooding by keeping its books in bathtubs and boats.

Go inside to really appreciate this 500-year-old technological masterpiece.

This poignant art installation raises awareness of violence against women.

This giant middle finger statue sends an unambiguous message to Italy's bankers.

Two very green residential towers cleaning the air in one of Europe's most polluted cities.

Milan's duomo is covered in beautiful carving including a curious "dinosaur-like" beast.

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

This unassuming bookstore in the heart of Madrid is one of the oldest in Spain.

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

An automaton perched above an classic clock and watch store

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

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

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

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

Built to celebrate the glory of a new queen, this forgotten monument has moved around Madrid three times, reflecting 200 years of political whims and city redevelopment.

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

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

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

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

A lush indoor jungle fills this bustling Madrid transportation hub.

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