The half-mile long structure is so impressive, it even shows up on satellite images.

Mysterious wreckage of a small plane has been lodged in this tree since at least 1971.

Little island known for its massive beachfront "flowerpot" pillars.

305 homemade stone stairs wind their way up the Hamilton escarpment.

The colorful, smiling concrete silos of Vancouver.

Every fall this lake mysteriously drains, like a bathtub with the plug pulled out.

The collection of signage remembers the midcentury pushback against the new neon light.

A surviving remnant of the thick ice mass that once mantled most of Western Canada's mountains.

The world's largest and most outstanding marl lake regularly changes color.

A collection of human remains, animal body parts, and other macabre curiosities all legally for sale.

Two adjoining collections of 19th-20th century physics apparatuses and instruments.

Niagara Falls holds a special place in Nikola Tesla's history, so they put a statue on it.

Home inspired by the crystal rock formation of the Emerald Estates.

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

Cliffs that hold fossils, including the earliest known reptile, dating back more than 300 million years.

A high point in Vancouver kitsch.

A sacred lake composed of over 300 separate pools of highly concentrated minerals.

Few other hotels can rival the grandeur of the Castle in the Rockies.

This Toronto garden collects stares and tchotchkes in equal measure.

A botanically themed auditorium blooms within the world’s last operating double-decker theater.

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

The remains of a Canadian train crash are now mouldering beneath layers of rust and graffiti.

Fossils, railroads, and waterfalls!

Railways may have forged this quintet of lovely tunnels, but now they are open to hikers.