Canada's largest graveyard boasts a lot of noteworthy artifacts as well as its own computerized mapping service.

Montreal's giant farmer's market is a foodie's best friend, especially in the winter months.

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

A Montreal deli that was so beloved that it was allowed to circumvent their laws of language.

This historic hotel invented the chocolate brownie.

This massive, ancient stone was disassembled and then put back together again.

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

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

Controversial tribute to the heavyweight champion boxer who grew up in Detroit.

These enduring murals depicting a distinctly Marxist tribute to capitalism could not even be defeated by McCarthyism.

The Beaux-Arts aquarium boasts a vast collection of saltwater and freshwater fish on an island in the Detroit River.

This former coal gasification plant found a curious second life as a popular public park.

A giant Troll lurks under one of Seattle's oldest bridges.

A state-of-the-art medical facility from the Imperial era is now a derelict ruin.

Two stunning 17th-century libraries and a cabinet of curiosities.

Macabre astrological automaton clock dating to the late 1400s.

Golden cobblestones remember a time when this small alley was used to avoid having to give a Nazi salute.

This series of Baroque passageways in Vienna's cultural center mix old architecture with modern art.

Baroque celebration of the end of the Great Plague of Vienna.

The Habsburgs' royal collections of art and wonders.

The crypt of the imposing Stephensdom holds royal intestines and thousands of skeletons.

This Hungarian castle was built out of cardboard and wood until it proved so popular that it got upgraded to stone.

Four glass boxes hover over 1,000 feet in the air to give visitors an unparalleled view of Chicago.

Metro station with a claim to rock n' roll fame.