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

This sweet-toothed bear searching for snacks has been a symbol of Madrid for decades.

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

A stone slab in Madrid marks the point from which the distances of Spain's national roads are measured.

Originally used to sell brandy, the bull-shaped billboard became an iconic symbol of Spain.

Giant topiary dog once played a role in a terrorist bomb plot.

Marvel at this immense work of art that greets arrivals to the city.

This 19th-century fountain's namesake animal isn't what you think it is.

Its interior is adorned with some of the best examples of early Christian mosaics.

This Roman arch marks the location of an ancient gate at one of the Seven Hills of Rome.

An alchemist's "magic door" stands in the middle of a Roman park.

Stone memorial that's said to predict the death of the pope and the site of the Cadaver Synod.

This sinister Baroque entryway could lead you to a terrible fate.

A hidden church in a hidden courtyard tells the story of the Miracle of Amsterdam.

It should come as no surprise that the world's largest artichoke lies in the town that calls itself the "Artichoke Center of the World."

A remote crossroads honoring a fallen talent.

Two small markers remember the Alamo's feline protectors.

Legend has it the commander of the defenders drew a fateful line in the dirt with his sword just before the final battle.

A sculpture made of 10 Cadillacs as a monument to the "Golden Age" of the American automobile.

The skyline of Montreal includes the silhouette of an unexpected fruit-shaped Canadian staple.

This mesmerizing kinetic sculpture blossoms endlessly in the breeze.

Small ship votives hang from the vaulted ceiling of this port-side church with a Latin inscription on the wall.

A grand Gothic Revival basilica with stained glass depictions of Montreal's religious history has only one soul resting in its crypt.

A historic Montreal market that was the city's agricultural hub for over century.