People have been placing babies on these lilies for photoshoots since the Victorian era.

Science meets wall art to highlight the beauty of famous mathematical equations.

A 'living museum' in Leiden, the oldest of its kind in the Netherlands.

Rotterdammers' dirty minds gave this santa a dirty nickname and cursed it to a life of wandering.

A dramatic art installation features a BMW flying out of a building in Rotterdam.

This charming pup is meant to celebrate the youth and stubbornness of the city's students.

Budapest's Communist-era statues, banished to the suburbs.

This church is dedicated to the patron saint of seafarers.

This 15th-century island fortress later served as home to the executioners no one wanted to live near.

This ancient structure appears Roman, but was constructed during the 16th century and was utilized until 1911.

This memorial to the thousands of Indian dead during WWI was callously used for target practice during WWII.

One of the world's tallest flagpoles.

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.

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

A number of craters left by fatal mortar strikes have been filled with red resin to remember those lost during the Siege of Sarajevo.

Bridge that died in war and was resurected.

A wunderkammer of gold and silver reliquaries and ancient saintly bones.

The complex has been abandoned since the Croatian War of Independence, barring a stint as a set for 'Game of Thrones.'

This memorial to the victims of the Romanian Revolution of 1989 is often compared to a potato on a skewer.

The temple that withstood the Nazis.

"Holy Wisdom" overlooks the city that became its namesake.

This building has two facades of clashing architectural designs.

The European towns of Brașov and Râșnov each have proud signs reminiscent of the Hollywood sign.

The possible imprisonment of Vlad the Impaler here earned the medieval castle its nickname, "Dracula's Castle."