A dark patch of the ceiling at Grand Central Terminal which was not restored is still stained brown by tobacco.

Home to items never before seen by the public.

A secretive collection featuring objects that were designed specifically for U.S. intelligence operations.

The largest collection of Indigenous Australian artifacts in the world, and the rare museum where wood-and-glass cabinets have trumped interactive exhibits.

These locks on North America’s oldest canal are named after a porcine rock formation.

A monument to the 17,000 Chinese who worked and died to build Canada's Pacific Railway.

A historic Montreal market that was the city's agricultural hub for over century.

One of the largest underground systems runs under Canada's largest urban center.

These powerful, if squat, Canadian waterfalls flow in different directions depending on the time of day.

The final resting place of 121 victims of the RMS Titanic, 42 of which may never be identified.

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

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

The biggest museum dedicated to insects in North America, one of the largest in the world.

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

Hoodoos, naturally eroded land formations, stand 20 feet tall in the Canadian badlands.

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

This historic Victorian hotel has a scandalous history of affairs and murder.

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

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

A working steam clock, one of only a few in the world, located in Vancouver's Victorian Gastown.

Traditional 15th century Chinese garden in the middle of Vancouver.

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