The frozen bubbles that form on the icy surface of this Canadian lake contain enough methane to create a small explosion.

This underground power plant looks more like a super-villian's lair than a public work.

After spending more than a century on the ocean floor, this shipwrecked column is finally resting atop solid ground.

Thanks to its curved shape, this incredibly durable dam "whispers" to visitors.

Locals believe the purity of this huge, untouched Arctic lake could be the salvation of human civilization.

The world’s first museum dedicated to exploring human rights unleashed a wave of controversy.

The New Central Library is a masterpiece of contemporary architecture in the midst of downtown Calgary.

A World War II gun battery sits at the easternmost point of North America.

Cascading outward, this waterfall creates the appearance of a flowing veil.

A crescent of 12 simple statues poised on a small windswept island off the coast of Newfoundland.

This artful dam holds back a crater-made reservoir that can be seen from space.

This engineering marvel is the longest bridge in Canada and one of the longest spans in the world.

First mosque in Canada, second in North America.

These locks on North America’s oldest canal are named after a porcine rock formation.

This igloo-shaped landmark in Iqaluit serves as the seat of the Diocese of the Arctic.

The last remains of the extinct Beothuk people native to the island of Newfoundland.

One of the last remaining covered bridges in the province of Ontario.

The 18th-century church's stained-glass windows tell the story of the Haudenosaunee people.

The picturesque remains of an abandoned silver mine slope down to Tagish Lake in the Yukon.

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

An architectural marvel built by a nearly forgotten Canadian Quaker sect, the Children of Peace.

Not for the faint of heart, this long pedestrian bridge rewards those who brave the wobbly walk with a beautiful view.

Over 60 chemical plants and oil refineries sit in a 15-mile-wide section outside town.

Ride aboard a centuries-year-old steam engine and explore dozens of trains parts, including an unusual "comboose."