A monument to the three wars that led to German unification towers within a Berlin traffic circle.

Thousands of coffin-like pillars make up this controversial Holocaust memorial.

The site of the famous Nazi book burning campaign of 1933 remembers its "Night of Shame".

The last remnants of a massive medieval wall that once encompassed the city of Berlin.

Berlin's beloved bear is immortalized at the Museum für Naturkunde.

Once the tallest building in the world, this abandoned church is now a monument to the destruction of WWII.

Hitler's bleak vision of relaxation still stands as a mostly abandoned 10,000-room resort complex.

J.R.R Tolkien, C.S. Lewis, and other "Inklings" met at the Oxford pub to discuss the now legendary fantasy stories they were writing.

Hidden in plain sight, this creepy sculpture watches from above.

Inside this church is an obscure piece of art carved by the famous Alice Liddell.

A letterbox installed specifically for the first editor of the Oxford English Dictionary.

The fantastic charm of England's oldest botanical garden has made it a place of writerly inspiration for centuries.

This slice of 1960s Danish modernism does not conform to the Oxford college stereotypes.

This tree was grafted from the actual tree that led Isaac Newton to ponder the theory of gravity.

Local legend says Isaac Newton built this footbridge without any screws, bolts, or nails.

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

This bridge was constructed from the rubble of the infamous Bastille.

Paris' linguistic guide to the international language of, yes, love.

An immersive projection art installation uses sound, scale, and light to take visitors inside classic works of art.

The bears of Bern have been a city highlight for over 500 years.

A fortified palace in the shape of a ship on the Thiou river.