Over two centuries old and counting, Madrid's massive botanical garden contains one of Europe's only desert environments.

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

A massive Montreal stadium that has seen nothing but trouble since its inception.

City law dictates that this mountaintop cathedral containing the heart of a saint is to remain the tallest building in town.

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

Home to the largest urban bat colony in North America, estimated at 1.5 million bats.

This water-locked cliff face is covered in hundreds of ancient pictographs.

A massive, fading granite poem is all that remains of one Whitman superfan's tribute to the famous writer.

This giant roadside goose has been hailing travelers into a small Ontario town for over 50 years.

Possibly the world's largest coin stands just outside of a Canadian science center.

A historic presidential getaway on the continental United States' southernmost island.

The former home of the Nobel Prize-winning American writer is now home to dozens of six-toed cats.

A monument celebrating the idea of reaching inaccessible places.

Colorful and chaotic stacked hotel in North Holland.

The John Snow Memorial marks the epicenter of London's 1854 cholera epidemic.

The taxidermied remains of a once-great parrot.

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

This stately monument has been wearing a traffic cone hat for decades much to the delight of the locals.

The final resting place of soldiers' loyal canine companions.

A six-ton wedding present for the King of the Scots.

The most loyal of little dogs, or a Victorian era publicity stunt?

This iconic Parisian bookstore doubles as the "Tumbleweed Hotel" for traveling writers.