The only example of a Paris Métro sign in use at a subway station outside of the French capital. 

This crumbling industrial fortress has attracted daredevils, filmmakers, and historians.

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

This mesmerizing kinetic sculpture blossoms endlessly in the breeze.

A massive Montreal stadium that has seen nothing but trouble since its inception.

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

Its columns were all carved from the same white oak tree.

City law dictates that this mountaintop cathedral containing the heart of a saint is to remain the tallest building in town.

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

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

Montreal's giant farmer's market is a foodie's best friend, especially in the winter months.

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

Designed by Buckminster Fuller, this relic of the 67 Expo survived fire and ice.

The unique traffic pattern named for an influential urban planner is also known as the Pedestrian Scramble.

D.C.'s first central library was born out of a chance encounter with the philanthropist whose name it bears.

During the Industrial Revolution this “Temple of Invention” was full of intricate miniature machines and gadgets.

What appears to be a wizard's lair in Milwaukee actually houses a massive water pipe.

A group of artists transformed this desolate city alleyway into an outdoor gallery of street art.

Statue dedicated to the star of an old television show.

The bugs crawling down the front of this office building are almost as big as a '68 VW Beetle.

This striking art museum holds an amazing series of curiosity cabinets.

Huge abstract sculptures of the Puerto Rican Flag.

These chunky stone towers out in Lake Michigan are the key to Chicago’s drinking water.

Once called the "Polish Gold Coast" it is an icon of the neighborhood that bears its same name.