One of the largest squares in Europe contains an entire artificial island.

The incorrupt tongue of the patron saint of lost things is venerated in this basilica.

Built to repay the sins of the father, this church is home to one of the most valuable works of Western art.

One of the tallest bell towers in Italy plays a particular melody at just two times each day.

Walk down these stairs to get an underwater view of Switzerland's Lake Zug.

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

An art installation that will challenge your understanding of reality and perception.

This seemingly random 30-foot statue of an oryx in Qatar's capital was a mascot for the 2006 Asian Games.

The building is a gigantic piece of art inspired by the shape of a desert rose.

This 23-foot-tall bear stands amid the hustle and bustle of Hamad International Airport.

Qatar's oldest market can trace its origins back more than a century.

A state-of-the-art medical facility dedicated to treating beloved birds of prey.

This fountain pays homage to Qatar's history of pearling, the primary industry before oil.

The only urban monument in the world designed by the great surrealist painter Salvador Dalí.

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

Time has been frozen at this station since the bombing in 1980—or so it was believed.

Stuck in the arcade of Casa Isolani are three arrows of mysterious origins.

This building features dozens of faces along its facade, although one is a bit chilling.

A large statue of Pope Gregory XIII in Bologna was disguised as Saint Petronius to avoid destruction.

Legend has it this fountain built to symbolize the Pope’s power hides a strange secret concerning Neptune's manliness.

A striking memorial recalls thousands of Bolognese men and women killed fighting fascists in World War II.

A small window on Via Piella offers a lovely and rare peek at Bologna's lost canals.

The grotto where Saint Ignatius of Loyola lived as a hermit for nearly a year.

The iconic boulevard is the perfect place to catch sight of a bicycling skeleton, a levitating Satan, or a chef with his head stuck in a pizza.