This natural sea cave hides a small wonderland of natural turquoise beauty.

Little island known for its massive beachfront "flowerpot" pillars.

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

Abandoned for over a century, this chilling train tunnel is now a destination for ghost hunters.

Canada's oldest railway tunnel is illuminated in a rainbow of color as it passes under the streets of this small city.

This quaint museum taps into the sweet history of the maple syrup industry.

The ruins of a rehabilitation center for World War II vets can be found in the Westminster Ponds Conservation area.

This extensive nuclear fallout shelter built from 42 school buses could house 500 people in its tunnels.

Clusters of abandoned buildings hint at the facility's 144-year history with psychiatric health.

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

This Hindu temple is an architectural marvel designed and built according to ancient Indian principles.

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

Canada's subterranean Cold War museum has doubled as a movie set.

Legend says that this short Canadian tunnel still holds the dying screams of a girl who burned alive.

An abandoned Victorian-era amusement park is rusting away amidst luxury houses.

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

A botanically themed auditorium blooms within the world’s last operating double-decker theater.

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

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

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

One of Canada's oldest museums, the beautiful Redpath has been serving up Natural History and Ethnography since 1882.

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

This haunted corpse of a drive-in is now a graffiti-covered ruin.

Every year, the colorful murals of Montreal get a complete makeover.