A boardwalk winds above this beautiful bog full of wildlife and a rare type of turtle.

Now a public art piece, this curious metal feature originally advertised a tinsmith's services.

A rare venue to buy specialty maps.

This illuminated sign was the first of its kind in Canada and remains a vestige of the Atomic Age.

The mastermind behind this palatial hotel perished on the Titanic weeks before its grand opening.

A sprawling Victorian farm that has been surrounded by a capital city is one of Canada's greatest treasures.

Louise Bourgeois' 30-foot-tall steel spider sculpture.

This inexpensive lodging house was once a prison notorious for its inhumane practices.

Canada's subterranean Cold War museum has doubled as a movie set.

Hamburgers are intensely proud of their tunnel beneath the river.

This colorful creation wasn't always a welcome part of Toronto's Moccasin Trail Park.

A repurposed railway tunnel with otherworldly acoustic characteristics.

This former train tunnel is filled with lines from a poem crafted by Robert Louis Stevenson.

Once a sewer culvert, this road tunnel now offers cyclists and pedestrians a subterranean stroll under the C&O Canal.

An abandoned railroad tunnel transformed into a creepy path for hikers and cyclists.

Tucked inside a South Bank bar is an epic expressionist chronicle of the 20th century.

This futuristically sylvan church is a glass-enclosed marvel of modern architecture.

An impressive bridge over a ravine also served as an aqueduct.

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

Train tunnel running underneath Quebec City.

A lake in the middle of the tundra of Quebec is said to be the purest freshwater lake on Earth.

Edoras, capital city of Rohan in Lord of the Rings, once sat atop this isolated New Zealand mountain.

Three floors of musical instruments coming from all corners of the world and hundreds of years of musical history.

A scene of a heinous act during a troubled period of Scottish history.