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

The "Seinfeld" diner.

Whisper secrets in a busy station only to be heard on the other side of this acoustic arch.

Elevated freight railway turned wildly successful urban park.

This uniquely shaped tombstone is dedicated to the project construction superintendent for the Empire State Building.

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

This impressive working clock made of 16,000 plants changes its flowers twice a year.

This giant roadside fruit is home to an array of apple-based treats.

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

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

In the back of a bustling factory lurks a quiet museum honoring the history of Canadian sugar manufacturing.

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

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

This massive, ancient stone was disassembled and then put back together again.

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

This Niagara Falls tourist trap is a world bright with neon and curiosities that will inspire love, hate, or a mixture of both.

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

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

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

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

This unusual structure may be on its way to becoming a cultural landmark in Toronto.