This lovely, if imposing, piece of Canadian gothic is possibly the most photographed hotel in the world.

Few other hotels can rival the grandeur of the Castle in the Rockies.

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

Willy Wonka would love this weird half-a-home.

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.

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

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

A collection of 20th-century automata, penny arcade games, and musical contraptions.

This cemetery has graves dating back to the 17th century, including the city's oldest carved tombstone and an ominous cryptogram.

A pedestrian island in the middle of world-famous Times Square emits a strange (and purposeful) humming noise.

One of only two commuter aerial tramways in the United States.

Pompeii's less famous neighbor is still revealing her secrets.

The perfectly preserved underground rooms where Churchill plotted the war against Germany.

Northern Ireland's Brobdingnagian stepping stones.

A horde of stray cats rule in this secluded Parisian cemetery under a bridge.

Famously misunderstood wonder of the ancient world

Elevated freight railway turned wildly successful urban park.

Try not to get slimed in Tribeca.

The only structure left with direct ties to the Salem witchcraft trials of 1692.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

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

Two plaques commemorate the site of Shakespeare's first theatre.

A community of artists and entrepreneurs seeks a simpler life on London's waterways.