A well-worshipped shrine to the Virgin Mary nestled inside the last of Zagreb’s historic gates.

This 135-year-old weather station studied the effects of the climate on human health.

The Incredible Hulk, Yoda, Mulder and Scully, and many many others watch over the mean streets of Toronto.

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

An enigmatic concrete structure in a lakeside Toronto park raises more questions than answers.

Two thirds of this Montreal neon icon has survived to flash another day.

A fragment of one of history’s most famous walls stands as a reminder of unity in a culturally divided city.

The only example of a Paris Métro sign in use at a subway station outside of the French capital. 

A pillar is all that remains of a church built to honor a peculiar miracle.

The facade of this bank has changed little over the centuries, including its unique welcome sign.

Europe's official "zero-level," the equator of elevation.

An ingenious Dutch land art project uses grass ridges to cut airport noise pollution in half.

Lumps of significant stone from around the world surround a flaming monument for peace.

Birthplace of the "Cat in the Cradle" and a cluster of iconic, original windmills that let the Dutch tame the seas.

This steep cable railway has been hoisting passengers in the heart of Québec City for over a century.

The last Tsar of Russia constructed this private church just so he could attend services when visiting his wife's hometown.

Crop circles inspired this whimsical garden in Germany.

A former Nazi lookout tower with a magnificent view of the Rhineland.

This remarkable parking garage in Darmstadt has lived several lives and still contains remnants of its World War I past.

A German apartment building hosting as many trees as human occupants.

A library in Germany displays a likeness that some believe is William Shakespeare.

Every hour the doors open to reenact the legend of the heroic mayor who saved his town by drinking a gallon of wine.

This haunting sculpture stands as a memorial to the torture victims of the Brazilian military dictatorship.

Luminaries of all stripes have sipped strong Greek coffee at this cafe since 1839.