San Francisco's most expensive hotel suite includes a secret passageway rumored to have been used by JFK.

This sculpture by artist Fritz Keonig survived the 9/11 attacks and now stands as a monument to the victims.

Once the tallest building in the world and the site of "the highest dinner ever held in New York" this building now holds the most expensive penthouse in the city.

London's last remaining public soapbox site has seen speeches from Karl Marx, Vladmir Lenin, and George Orwell.

Eighty million natural history specimens call this gargantuan museum home.

Museum preserving torture methods from the past.

Mosaics created from 11 million cigar bands.

This city square is home to Amsterdam's oldest church and a statue honoring Dutch sex workers.

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

This massive mall has hundreds of shops, an amusement park, and a history of deadly amusement attractions.

As if T-rex wasn't big enough, this Canadian monument is four times larger than the real thing.

Historic site where Native American hunters once trapped and killed buffalo.

A sleepy little town that had the greatest landslide in North American history fall on it.

This massive and unusual rock formation near Okotoks is the world's largest known glacial erratic.

This Niagara Falls tourist trap is a world bright with neon and curiosities that will inspire love, hate, or a mixture of both.

Soaring over the Niagara Whirlpool since 1916.

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

A Victorian cemetery hidden along a trucking route is all that remains of a 19th century village.

A collection of more than 12,000 shoes, displayed in a building shaped like a shoebox.

Lost subway station nestled beneath Toronto's busy commuter line.

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

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

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

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