The entrance to this sinisterly named tunnel hides behind a Tim Hortons.

A monument to a Native American leader who was known for never breaking a promise and met his end after signing a deal with white settlers.

Palace, temple, and pyramid ruins mark the ancient Mesoamerican capital of Totonacapan.

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.

The remains of the oldest bone-headed dinosaur in North America.

Canada's largest dinosaur skeleton was hidden away in storage for more than 40 years.

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

A touching tribute to the "Wonkey Donkey."

A collection of human remains, animal body parts, and other macabre curiosities all legally for sale.

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

This half-ton piece of the Alps sits at the base of the CN Tower.

This small cafe aims to empower acid attack victims and stop violence against women in India.

This hidden Sufi cemetery is a spiritual monument for India's third gender community.

This ruined relic of the medieval city of Jahanpanah is a quiet oasis in the middle of New Delhi.

A blooming house of worship for the masses.

India's first open-air public art district sits in the heart of the country's capital.

This beautiful 16th-century necropolis marks an astonishing feat in heritage conservation.

Nestled among the artifacts of the National Crafts Museum, this hidden gem offers hard-to-find regional foods from all over India.

A startling, centuries-old subterranean marvel hides in plain sight.

A favorite haunt of Delhi's politicos and intellectuals, this old-school coffee shop was shut down under Indira Gandhi's Emergency.

Chicago's museum dedicated to the history of bondage and fetishism is more textbook than titillation.

This morbid, delightful curiosity shop offers everything from animal bones to human teeth.

This surprising gem is a world-class archeological museum hidden at the University of Chicago.