This painted marvel is San Francisco's 400-foot ode to urban biking.

The remains of the oldest bone-headed dinosaur in North America.

Smallest house in Toronto sits on a lot meant to be just wide enough for cars to drive through.

One of Canada's most incredible rare book collections holds hundreds of thousands of gorgeous tomes that the general public can touch.

The site of the deadly Triangle Shirtwaist Factory Fire.

A little lighthouse in New York City, surrounded by mysterious stories of insanity-driven construction.

In its day this historic fort held 100 cannons pointed in almost every direction to protect New York.

A semi-scholarly approach to sex.

This exuberantly curated landscape is one of the largest sculpture gardens in Canada.

This 17th-century house was once the trading hub for two prominent Canadian fur barons.

This permanent exhibition of commercial signs aims to preserve the cultural heritage of the city.

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

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

The only museum about the history of dentistry in Canada.

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

This indiscriminate collection of audio antiques is trying to preserve the history of the audio industry one vintage appliance at a time.

Canada's largest graveyard boasts a lot of noteworthy artifacts as well as its own computerized mapping service.

The entire length of the border is marked by a 20-foot-wide slash through the trees.

A swirling spectrum of stained glass dazzles visitors who enter this subway station.

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

This hidden park hosts a rogue’s gallery of eccentric architectural obelisks.

A patch of contaminated land reclaimed as a scrappy sculptural oasis.

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

This mesmerizing kinetic sculpture blossoms endlessly in the breeze.