Residing along a busy thoroughfare, this sculpture urges passersby to consider the future.

The body of at least one victim of a construction accident was left behind in the collapsed pylon, buried under tons of concrete.

Twisted buildings adorn the banks of the Rhine river.

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

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

This amazing example of Valencian Art Nouveau looks more like a cathedral than a public market.

A curious fountain that resembles a beloved character from the 1960s.

A vista of the city and sea from atop the little-known viewing deck on an unassuming Columbus statue.

An early 20th-century bullring converted into a modern shopping center.

One of Antoni Gaudí’s earliest buildings, built between 1886 and 1890 for the industrialist Eusebi Güell.

Morocco’s modern capital was once a haven for Barbary pirates, who went so far as to establish a republic of their own.

An awe-inspiring mosque in Morocco with one of the tallest minarets in the world.

It took 40 years to build this Eden-like garden in Marrakech, later restored by Yves Saint-Laurent.

One of the two original gateways into the Kasbah, this gateway is a nesting site for storks.

Overlooking the spot where the Pilgrims boarded the Mayflower stands Devon's answer to the Colossus of Rhodes.

Lyon's miniature version of the Eiffel Tower was built as a statement in support of French secularism.

Lyon, France is home to two remarkably preserved Roman theaters, one dating back to 15 BCE.

A brutalist gem towering over the heart of Milan.

An unusual resting place built into the hill with an amazing view of Lake Como.

It’s said this crypt was the setting for the tragic finale of the Shakespeare play.

Hanging within this medieval church are the bones of a beast allegedly slain by a fourth-century saint.

A sinister pyramid in the Frari contains the heart of the famous neoclassical sculptor.

Thousand-year-old Viking runes adorn an ancient Greek lion at the entrance to the Venetian Arsenal.

This private skyway is filled with art and was expanded explicitly so that Hitler could appreciate a river.