A 19th-century architectural wonder designed by the "father of the skyscraper."

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

A book collector's dream, this Toronto bookstore has the world's first "Biblio-Mat," a random book vending machine.

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

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

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

This unique crypt designed by Frank Lloyd Wright for his longtime friend was not completed in either man's lifetime.

Ruins of a once-prized railroad station in New York.

A room hidden behind a swinging shelf in the children's section.

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

A collection of unique outdoor sculptures surounded by the beauty of nature.

Quite possibly the last cross all humans will ever see.

Museum dedicated to the struggles of the disabled.

This sprawling collection of saintly relics includes such fascinations as wood from the Cross of Jesus and threads from Mary's veil.

A forsaken wonder in the middle of the East Side neighborhood.