The vast, legendary catacombs hold secrets much stranger than stacked bones.

This 1967 experiment in modular architecture was designed to be a new model for urban living.

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

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.

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

Mutant vegetables, transgenic mosquitos, and atomic rodents span the walls of this one-of-a-kind museum.

One of the steepest streets in the United States makes an intriguing challenge for cyclists.

House of vintage taxidermy and Steampunk sculptures in a quiet Pittsburgh neighborhood.