A grand Gothic Revival basilica with stained glass depictions of Montreal's religious history has only one soul resting in its crypt.

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

This expansive bridge in the Canadian wilderness was originally just built for friends.

Designed by Buckminster Fuller, this relic of the 67 Expo survived fire and ice.

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

These stark white cliffs were spat up by the sea and are slowly being retaken by it.

A Victorian Gothic masterpiece housing a world-class collection of rare books and manuscripts.

A rocky sea serpent hides caves, blowholes, and a spectacular natural bridge.

The largest greenhouse in the world is home to over one million types of plants.

This 1920s Dutch barge is now a floating bookstore.

Eighty million natural history specimens call this gargantuan museum home.

Northern Ireland's Brobdingnagian stepping stones.

Famously misunderstood wonder of the ancient world

These fantastically named natural pools look like something out of a Scottish myth.

This astonishingly geometric cave has inspired everyone from Jules Verne to Pink Floyd.