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

The oldest landmark of Toronto is a testament to shifting sands.

An abandoned 1970s theme park that has been turned into a space for waterfront walking.

A 98-room castle in the middle of Toronto that bankrupted a 19th century electricity multimillionaire.

A former Canadian Pacific Railway station turned liquor store, the first and only station in Canada visited by British royalty.

A memorial to the tens of thousands of Irish who fled to North America during the Great Famine.

One of the foremost Sherlock Holmes collections is hidden away at a Toronto library.

A collection of more than 12,000 shoes, displayed in a building shaped like a shoebox.

This urban oasis is a marvelous meld of music and landscape architecture.

Lost subway station nestled beneath Toronto's busy commuter line.

Canada's largest dinosaur skeleton was hidden away in storage for more than 40 years.

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

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

The Victorian-era greenhouse is stuffed with tropical plants, and open 365 days a year.

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

One of the largest underground systems runs under Canada's largest urban center.

This luxury shopping lane has been protected by its own tiny police force for over a century.

A mysterious shape catches the eye in this 16th-century painting.

Spitalfields' regal market goat is said to be a monument to the area's migrant population but most are pretty sure it's just a goat.

The commemorative stone column conceals a secret laboratory.

This ornate Victorian marketplace was the setting for Diagon Alley and the Leaky Cauldron in the Harry Potter films.

Thousands of coffin-like pillars make up this controversial Holocaust memorial.

Dedicated to the European Sinti and Roma peoples murdered during the Holocaust.

A fortress built to pacify local uprising that had a stint as a Nazi concentration camp before becoming a five-star hotel.