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

Secret Swing.

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

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

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.

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

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

A school teacher's massive and terrifying self-built castle.