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

Third time's a charm, or in this case, two testicles are.

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

A contemporary fresco movement illustrates the region's rich history.

This half-ton piece of the Alps sits at the base of the CN Tower.

A fantastic place to see murals, and an important location in the history of Toronto's legal street art scene.

Known as "Toronto's Flatiron."

This whimsical fountain pays tribute to Toronto's four-legged friends.

One of the largest underground systems runs under Canada's largest urban center.

This sculpture was made in 1973 for the city's 300th-anniversary celebrations and was largely considered an eyesore at the time.

The vaulted ceiling is home to a scurry of “squirrelgoyles.”

Immortalized in bronze, this frazzled student will be glued to his screen for centuries.

The floating gallery illuminates the heart of Québec City's arts district.

This inexpensive lodging house was once a prison notorious for its inhumane practices.

Now a public art piece, this curious metal feature originally advertised a tinsmith's services.

Louise Bourgeois' 30-foot-tall steel spider sculpture.

The popularity of Sherlock Holmes led to the creation of his fictional address, turning the orderly London street numbers askew.

Kings Cross Station pays tribute to its role in Britain's best-selling book series.

A tongue-in-cheek arcade where the games are based on everyday life.

A 300-year-old tea shop that brought tea to the English people, not to mention the Queen herself.

After nearly 60 years, there's still a bear at Paddington Station looking for help.

An enormous pair of straw sandals woven in the traditional way—to keep demons at bay.

This 14th-century temple is also known as the "Temple of the Golden Pavilion" for its gorgeous gilded reliquary hall.

1,001 carved statues of the Buddhist God of Mercy, each with a unique face.