A well-preserved network of cavernous tunnels have spent silent centuries removing Toronto's waste.

A monument to the 17,000 Chinese who worked and died to build Canada's Pacific Railway.

The artwork commemorates the many ways 20th-century people perished while on the clock.

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

Known as "Toronto's Flatiron."

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

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

Willy Wonka would love this weird half-a-home.

This metal sculpture is a tribute to the Canadian Pacific Railway, which had a station in the village that has now been converted into a library.

These strikingly barren, rolling red hills were caused by bad farming practices.

A unique piece by one of the most famous sculptors of the 20th century is rotting away in a small Ontario town.

Canada's first pet cemetery is now abandoned.

One of Mother Nature’s geological gems, home to many prehistoric fossils.

This nomadic monster has divided opinions as it prowls across Canada.

Inside this park, an engineering marvel from the early 20th-century still stands.

Travel this route to explore a canyon crafted by ancient glaciers.

All that remains of this former mill town is a ranger station and some crumbling buildings.

A school teacher's massive and terrifying self-built castle.

A long-abandoned provincial prison left to crumble in the frigid air of Ontario.

A neutrino detector built into the largest man-made underground cavity in the world.

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

This natural sea cave hides a small wonderland of natural turquoise beauty.

Lake within a lake.

This small archipelago in northern Lake Superior was formed by a massive meteorite impact 450 million years ago.