The half-mile long structure is so impressive, it even shows up on satellite images.

Earth's greatest purely vertical drop at 4,101 feet.

Louise Bourgeois' 30-foot-tall steel spider sculpture.

The world's largest dark sky preserve is a Canadian park established to preserve the country's last wood bison.

Hauntingly beautiful totem poles left by the Haida.

Soaring over the Niagara Whirlpool since 1916.

A high point in Vancouver kitsch.

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

Locals transformed this Canadian evergreen into a secret hangout with spectacular views of Vancouver's skyline.

Defying all odds, this lonely little tree found a home on a log sticking out of a Canadian lake.

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

The sunken structure looks like the victim of a catastrophic flood.

If they push on just the right spot, even the weakest person can move this titanic boulder.

The artist and his brother are buried in a landscape straight out of a van Gogh painting.

Beggars were miraculously "cured" of their fake ailments when they returned home to this 17th century Paris slum each night.

The great Italian Renaissance painter was laid to rest here in the Chapel of Saint-Hubert.

Noirish green neon marks the location of one of the oldest private detective agencies in France.

At Monet's beloved home you can still see the Japanese bridge, waterlilies, and weeping willows that were the subjects of some of his most iconic paintings.

A favorite Paris bar for U.S. expats, including Gershwin, Hemingway, and James Bond.

A museum of magic with a Sadist past.

High atop the Eiffel Tower is a small apartment built exclusively to entertain the science elite and make the rest of Paris jealous.

The macabre collection of Jacques Sirgent, an expert scholar on the undead and all of their trappings.

A genuine Little Shop of Horrors.

Since 1874, this macabre collection has developed into a museum devoted to Scotland Yard's mementos of dastardly deeds.