Secret Swing.

A touching tribute to the "Wonkey Donkey."

A space-age 1950s pavilion on a secluded path is full of Toronto history surprises.

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

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

A unique collection of Science Fiction, Fantasy, and everything in-between.

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

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

This Toronto garden collects stares and tchotchkes in equal measure.

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

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

One of the world's largest collections of rare medical texts and ephemera.

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

This exuberantly curated landscape is one of the largest sculpture gardens in Canada.

This mesmerizing kinetic sculpture blossoms endlessly in the breeze.

This hidden park hosts a rogue’s gallery of eccentric architectural obelisks.

Futuristic apartment blocks are the backdrop for Montreal surfers hangin' ten on the Habitat '67 standing wave.

Two adjoining collections of 19th-20th century physics apparatuses and instruments.

Canada's largest graveyard boasts a lot of noteworthy artifacts as well as its own computerized mapping service.

A sculpture of a giant man escaping from the depths of the Earth.

This wooded grove of beautiful hand-built stone grottos is a hidden gem within a shuttered Franciscan monastery.

After miraculously surviving a giant flood, the 19th-century nut tree and its offspring are protected with their own tiny park.

Entombed in this strange, white stone hill are the deadly remains of radioactive weapons production.

This former small town was destroyed not by the motor oil it sprayed the ground with but by the toxic waste that was added.