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

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

One of Mother Nature’s geological gems, home to many prehistoric fossils.

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

One of the Seven Wonders of the Modern World holds the world's tallest metal staircase.

This Toronto garden collects stares and tchotchkes in equal measure.

With well over 130 falls and cascades to brag about, Hamilton, Ontario has earned its stripes as the waterfall capital of the world.

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

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

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

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

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

A 300-year-old tea shop that brought tea to the English people, not to mention the Queen herself.

The fragmented remains of a massive public bath connected to the city's water supply.

A display of torture devices used in the Spanish Inquisition and other scourges of medieval Europe.

These Bullet-scarred bunkers are haunting reminders of the Spanish Civil War.

A breathtaking and biodiverse wilderness in the mountain setting of Ernest Hemingway's "For Whom the Bell Tolls."

A magnificent, long-abandoned castle built in the wake of the reconquest of Spain.

Moorish signal station on a stratgic rocky outcrop.

This museum is known as the "Land of the Dinosaurs," but its full-scale dino models are just the start.

Volcanic rocks ground down into sand make this Spanish beach as black as night.

Strange masks and obscure costumes are housed in this old Madrid corrala.

This small and often-overlooked museum holds some of Spain's finest artistic treasures.

In Portugal, a secluded stretch of untouched natural beauty hides at the bottom of a steep hill.